Dunhuang medical volume "Zhang Zhongjing Five Visceral Theory" Yun: "Medicinal therapy, healing all diseases, fat and white, prosperous children and grandchildren, loved and respected by everyone, all by medicinal properties." "The medicinal properties are directly related to the clinical efficacy. It can be said that the academic community also attaches great importance to the research on the influencing factors of the medicinal properties of traditional Chinese medicines, but most of them stay at the tangible level of soil, climate, light, irrigation and so on.
Learn about Chinese medicine from qi
Qing Zhao Xuemin believes: "The doctor is willing, and the medicine is not as good as the intention." If there is no effect, it will be sought with will, and everything will be tested. The so-called meaning can be guessed from the perspective of the qi that the drug and the human body maintain, otherwise, it is difficult to grasp its essence.
Many ancient texts believe that human life is the result of the action of qi. The Suqin Life Preservation Theory of The Whole Form: "Man is born of the breath of heaven and earth, and the Law of the Four Hours is accomplished." "Difficult Scriptures, Eight Difficulties" Cloud: "Qi, the root of man." "Zhuangzi Zhibei Tour" said: "The birth of man, the gathering of qi." To gather is to live, and to scatter is to die. The "Class Sutra and Regent Class" says: "Man has a life, thanks to this qi." "Therefore, studying the medicinal properties of Chinese medicines from the level of qi is of great benefit to understanding the medicinal properties of Chinese medicines, and will make Chinese medicines better serve the clinic."
Chinese medicine believes that everything in the universe is composed of qi, and Chinese medicine grows between heaven and earth, is formed by the qi of heaven and earth, and is the essence of heaven and earth. "Su Qing , The Great Treatise on the Five Permanent Politics" Yun: "The earth has a high and low, the qi has a warm cool, the high one is cold, and the lower one is hot." The breath of the northwest is scattered and cold, and the breath of the southeast is collected and warmed. "It shows that Chinese medicine is cold, hot, warm and cool, and that the rise and fall are all the results of the action of the qi of heaven and earth." Different regions, spaces, time and space, the qi of heaven and earth are different, and the medicinal properties formed are also different.
People are born of qi, the role of qi on people is very important, the emergence and development of diseases are evil qi acting on the human body, causing the body to fight between good and evil, resulting in the partial prosperity and decline of yin and yang qi and blood or the abnormal function of the internal organs and meridians. The "Preface to the Derivation of Materia Medica" says: "In the birth of a person, the qi of yin and yang gathers in the ears." If you can't reconcile the yin and yang qi, it will be harmful. "Su Qing , The Beginning of a Hundred Diseases" Yun: "The first birth of a hundred diseases is also born in the wind, rain, cold and heat, wet and moody." If you are not happy, you will be dirty, the wind and rain will hurt, and if you are wet, you will be hurt. The qi of the three parts, the wounded alien. ”
It can be seen that the occurrence of hundreds of diseases is caused by the hyperactivity of evil qi and the damage of righteous qi, and it is necessary to use the bias of drugs to adjust the bias of the human body when treating. As Zhang Jingyue said, "The one who is born of a disease does not leave qi, and the cure of medicine does not leave qi." "Therefore, studying the effect of qi on the medicinal properties of traditional Chinese medicines is of great significance for the clinical application of traditional Chinese medicines."
The theory of homogeneous harmony and return to the scriptures
Regarding the attribution of Chinese medicine, it is generally believed that it is the theory of medication summarized by long-term clinical practice. The author believes that the essence of the sutra is the result of the human body, organs and drugs working together.
"Lü's Spring and Autumn Ying Tong" believes: "Similarity is called, qi is the same, and sound ratio should be." Li Tang believes that "the qi of grass and tree insects is the first to obtain qi, so although it is dry and decaying, it can also adjust the internal organs and cure diseases, and its qi is the same." "Each organ has its five elements belonging, each medicinal material has its five tastes belonging, and the same qi seeks to form the affinity effect of the drug on the organs, indicating the scope of application of the drug and indicating the efficacy of the drug."
The partiality of qi determines the toxicity of the drug
The toxicity of the drug is also condensed by the qi of heaven and earth. "Medical Judgment" Yun: "The medicine man, the grass and trees, the partial nature, and the partial qi are all poisonous, so as to poison the other poison." "Medical Yuan" also said: "The medicine is not biased, to save the bias, so the name is called medicine." ”
Ming Dynasty Zhang Jingyue's "Class Classic" Yun: "Medicine to cure diseases, because of poison can, the so-called poisoner, because of the smell of bias also." The one who covers the smell is right, and the genus of grain food is also, so the righteous qi that raises people is nourished. The smell of the bias, the genus of the medicinal bait is also, so the evil qi of the exorcism. It is guye, and it is the disease of man, and the disease is in the yin and yang of the ear. "These literatures show that the toxicity of Chinese medicine is caused by the abundance of qi.
The concentration and dispersion of qi creates the form of Chinese medicine
Chinese medicine has different forms, even if the same drug, the form is different, its efficacy is different. For example, the five medicines of aconitum, black beak, tianxiong, appendage, and side are actually the same plant, and they are named differently only by size, length, and form, and the medicinal properties are also different.
"Materia Medica Mengzhi": "Tianxiong, whose qi is close to the top, makes up for the Jiaoyang deficiency; the appendage, whose qi kisses the lower, makes up for the Jiaoyang deficiency; the aconitum, who keeps but does not move, also dwells in the middle; the lateral son, whose qi is light, it is advisable to have its limbs and fur, for the sake of curing the wind; the black beak, its qi is sharp, it is advisable to pass through the meridians, sharp joints, find the path, and go straight to the sick place." "What causes this difference in medicinal properties of the same plant that is born in the same region, receives the same light, receives the same water, and has the same soil, but its medicinal properties are far apart?
The answer to the "Materia Medica Speculation" is: "The fertility of the aconitum old yin has competed for it, the tianxiong lonely yang can not have children, the appendage is the seed of the aconitum tianxiong, and the yin and yang are also." The old yin fertility has competed, which is hollow, and the qi is used. Lonely Yang can not procreate, which is real, to the essence of the use. The qi lord diverges, and the spirit lord hides. Divergents can reach the outside, and collectors can enter the bones. The appendage has both two qi, strong externally, and its objects are not false genus, and are born with qi, so there is nothing in the table above. ”
The Six Verses of the Treatise on Tibetan Images in Su Qing has the saying that "qi merges into shape", and Song Zhang Zai's "Zhengmeng Taihe" has "too virtual and formless, the essence of qi, too virtual to be without qi, qi cannot be gathered into all things, and all things cannot be scattered into too vain." "Modern research has found that many organisms on the earth, although diverse, but the essence is highly consistent, when all organisms enter the molecular level, the formation and structure of nucleic acids and proteins, the structural correspondence between nucleic acid structure and proteins are consistent throughout the biological world, it is conceivable that when research enters a more microscopic level, the composition of all things in the world will be highly consistent."
China's ancient philosophy believes that qi is the original substance that constitutes all things in heaven and earth, thus forming the "qi monism", and the Chinese medicine classic "Yellow Emperor's Inner Classic" inherits this view, and based on this, the qi theory of Chinese medicine was founded, which has been guiding the development of Chinese medicine. It should be said that the ancient civilization is highly consistent with modern research, which is the important role of qi in the formation and development of all things. Therefore, it is not difficult to understand that the "Materia Medica" says that "the head of the medicine enters the head, the dry enters the body, the branches enter the limbs, the skin enters the skin, and the juice is like blood into the blood".
Air rises and falls and medicine rises and falls
Qi moves all the time, and the movement of qi fills the whole universe with vitality, prompts new things to conceive and occur, and causes old things to decay and die. The movement of air lifting and falling acts on Chinese herbal medicines, so that Chinese herbal medicines have the performance of lifting and floating.
The weather falls, the earth's qi rises, and the two qi of heaven and earth sympathize and swing with each other, thus giving The Chinese medicinal materials the performance of rising or falling, or floating or sinking, such as the flowers have received the impetus of many rising qi, so they have the effect of rising and diverging. "Su Qing Six Micro Purpose Theory" Yun: "The rise and fall of qi, the use of heaven and earth is also ... Whoever ascends and descends is heaven; who has descended and rises, who rises is the earth. The weather drops, the air flows to the ground, the earth rises, and the air rises in the sky. Therefore, the high and the low are called, and the rise and fall are changed because of each other. ”
The yin and yang transformation of qi produces the four qi and five tastes of the drug
The growth and collection of plants, the growth and growth of animals are all processes of continuous renewal and gasification of the tangible body itself, also known as metabolism, and these changes in animals and plants are carried out in the transformation of the rise and fall between the inside of the tangible body and the invisible qi. "Yiyuan" Yun: "Although the grass and trees are microscopic, their smell is divided into yin and yang, the physique has a difference between rigidity and softness, and the taiji of one thing is also." ”
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Illustrated Shennong Materia Medica purchased by ¥45
"Su Qing Yin and Yang Should Be Like the Great Treatise" Yun: "The smell of xingan diverges into yang, and acid gushes out into yin." "Zhou Yi Zhi Zhi Shang" said: "Yi has Tai Chi, is to give birth to two instruments, two instruments to give birth to four elephants, and four elephants to give birth to Gossip." Ming Miao Xiyong: "Heavenly Cloth Order, the Lord occurs, cold and hot and warm, the four-hour qi is moving, and the yang is also." Ground condensation, the main thing, sour, bitter, salty and sweet, the taste of the five elements, yin also. ”
The Huainan zi astronomical training believes that the heavens and the earth and all things in nature are generated by qi, the universe is angry, and qi has an end. The sun is thin and the sky is thin, and the heavy turbid is condensed and the earth is stagnant. "Su Qing Yin and Yang Should Be Like the Great Theory" Yun: "Taste returns to form, form returns to qi, qi returns to essence, refined food qi, shape food taste; metamorphosis essence, qi is shaped." "Su Qing Ying Health Association" Yun: "People are breathed in the valley, the valley is in the stomach, to be transmitted to the lungs, and all the internal organs are breathed." ”
There is an old saying: "If you have medicinal properties, then you can be a doctor." "Qi affects the medicinal properties of Chinese medicine. Therefore, understanding Chinese medicine from the perspective of qi is of great significance to understanding Chinese medicine and guiding clinical practice.
How did the cold, warm, and flat nature behind each medicine we see in the Materia Medica or Chinese Medicine Book come from? How did the predecessors decide? Let's talk about this one issue. Then for the determination of the medicinal properties, of course, it is the same as other properties, it is necessary to take the drug after the drug, that is, the patient must first take the drug, after taking the drug, it is necessary to see what changes in the pathological phenomenon of the patient's cold and heat, and gradually summarize it from this pathological change. So this process of summing up is the second paragraph in the determination of the four qi in our book, and this is the core content. Especially from the second line, the determination of the four qi is based on the cold and heat dialectics of traditional Chinese medicine after the patient takes the drug, and from the influence of the drug on the etiology of the disease being treated or the cold and hot nature of the symptoms. So how do you know?
That is, the latter, that is to say, the cold, heat, temperature and coolness of the drug is summarized from the reaction of the drug to the body, mainly in relation to the cold and heat nature of the disease being treated, and what can alleviate or treat the heat is the cold medicine, on the contrary, the cold drug that can alleviate or treat the cold is the warm drug. Of course, there are some examples in the middle, this example we can remember or not, after learning in the future, these (some) examples abound. Among the hundreds of herbs learned later, first of all, we must remember here, first remember these few words, that is, the determination of the medicinal properties of Chinese medicine is relative to the diseases treated by drugs, it is summarized from the therapeutic effect of drugs, how to summarize? That is, as we say in our book, the drugs that can alleviate or eliminate the heat certificate are generally cold medicines; the ones that can alleviate or eliminate the cold evidence are generally warm medicines. This is the main basis for drug determination. Is it okay to just remember these few words? No, of course, first of all, we must remember that it is more important for us to apply this theory to the study of the drug of monographs when we study monographs in the future.
If we learn a certain drug it can treat the heat certificate, then it must be cold, its medicinal properties should be cold or cool; if a certain drug can treat or alleviate the cold evidence, then it should be a warm or hot drug, pay attention to the use of specific (drugs). So for specific drugs, do we now want patients to eat these drugs, and then see if its changes have an impact on cold and heat certificates, and then we remember this drug? No. Because the predecessors have passed through thousands of years of practice and have undergone countless observations, they have already calibrated the medicinal properties of drugs, and they have already calibrated them. But when we study now, is it not rote to memorize a certain medicine that is warm, hot, cold, cold, and I can't memorize this, and I can't memorize it. If you were to ask me what was written in a certain medicine book, I wouldn't necessarily answer.
But I have a way to be able to know it, I have a way to be able to infer it. What's the solution? Remember its efficacy, analyze and infer from the efficacy. So the third subparagraph of the second question of this textbook, in the future we have to learn the drugs, fever clearing drugs, divergent wind fever drugs, attacking drugs, diuretic drug, damp and yellowing drugs, cool blood hemostasis drugs, yin tonic drugs, because these drugs are the treatment of heat evidence, can alleviate or treat heat evidence, so they are all cold medicines, are more typical (cold drugs); in addition, Junxia medicine, flat liver latent yang medicine, it has this tendency to reduce heat evidence, so it is generally biased towards cold; then on the contrary, this warm medicine, Divergent cold medicines, warm hemostatic drugs, yang tonic drugs can alleviate or treat cold evidence, it is warm, more typical (warm medicine); rheumatic drugs, wet medicines, gas medicines, opening medicines and tonic drugs, most of them are conducive to changing the cold evidence, so most of it is biased towards warmth.
Let's look at the efficacy of this drug, because when we study the drug in the future, we must first remember its efficacy. We are looking at the efficacy of this drug, if there is an effect in this regard, then we can deduce, we can analyze its medicinal properties, there is no need to rote memorization. For example, ephedra it can divergent wind chill, then divergent wind chill, it treats the wind chill cold, it treats the cold certificate, it can certainly alleviate the cold certificate, alleviate or treat, then certainly ephedra is a warm drug. Its medicinal properties are biased towards warmness. In the future, when we learn specific drugs, we must tell everyone that when we learn chapter by chapter, what is the tendency of each chapter to be medicinal, so that everyone will have a certain regularity.
But is there a problem with this (pushing)? There are some problems, what problems? Like you don't know if it's hot or hot? You don't know if it's warm or micro-warm? This doesn't matter, this will solve this problem later. Because this drug is to say that some drugs with strong cold or heat are very strong, there are not many in Chinese medicine, this polarity is very strong, we have to remember it. For example, adzuki, dried ginger, cinnamon, this heat is very strong, can not be considered as a general warm medicine. For example, what is skullcap, skullcap these cold is a relatively strong medicine.
Then the rest of the medicine is generally warm or micro-warm, this difference does not distinguish it, the significance is not very large. Or cold and slightly cold, some of the vast majority of meaning is not very large, the back can not be carried. So why isn't it very big? I will talk about it later, that is, some of the problems for your reference, that is, the fourth and fifth paragraphs of the book, are briefly talked about this problem, and one problem is that in Materia Medica, many drugs have differences in the determination of medicinal properties, so I will tell you the phenomenon and reasons for this divergence in the description of medicinal properties. Because the predecessors of the drug to calibrate a medicinal property, the earliest intention is qualitative, it is cold or hot, this dichotomy, is for qualitative purposes.
Then later it was changed to the four sexes, warm and cold, and there was a big heat, a big temperature, a big cold, a slight cold, a micro temperature, which has transformed a qualitative problem into a quantitative theory. Can the medicinal properties of traditional Chinese medicines be quantified? Without objective criteria, it cannot be quantified, and it cannot be quantified. It is not a matter of body temperature, such as thirty-seven degrees four or below, or how, at least thirty-seven degrees four to how much this (is) low heat, or thirty-eight degrees five above this (is) high heat, this can have an objective standard. The cold and hot of the drug is warm and cold, to what extent it is called heat, to what extent it is called micro-temperature, no one can say clearly, the reference is different, the conclusion is not the same, so the record in Materia Medica is different.
If we have to memorize by rote, it is not very useful. I give two examples, a plaster, this plaster some people think that the gypsum can treat the heat of the gas in the fever disease, of course, the stage of the gas is the peak period of the fever, then it is a kind of big heat certificate, the medicine that can treat the big heat certificate should of course be the big cold, so the plaster is marked with a big cold, but some people oppose, for example, Zhang Xichun, Zhang Xichun said in the "Shennong Materia Medica" that the gypsum mother can use, that the mother is generally not suitable for the drug of the big cold, the medicine that the mother can use must not be the big cold, the medicine that the mother can use must not be the big cold, It must be slightly cold, and he also gave an example, the amount of plaster is very large, can the medicine of the great cold be used in a large amount (amount)? Some gypsum in a square with half a pound, there is no obvious adverse effect, so the use of such a large amount of medicine in the cold will definitely produce obvious adverse reactions, so Zhang Xichun believes that the gypsum is a slightly cold medicine.
Then some people will take a compromise, you don't argue, it may not be a big cold, it may not be a slight cold, just write a cold word. So gypsum in the herbal literature has a standard of big cold, there is a standard of cold, there is a standard of cold, this debate I think there is no final result, who is who is wrong. Of course, if the basis for determining the medicinal properties of traditional Chinese medicines, it may be more appropriate to bid cold or big cold, because the standard cold is from adverse reactions, it is not the main basis, not the main basis for determining the medicinal properties. Of course, sometimes adverse reactions can be used as a basis, but that is not allowed, the main basis is the therapeutic effect, not the adverse reaction, so it should be cold or cold is more appropriate.
Another example is that in the antidote, everyone is more familiar with the ginger in a condiment, ginger that is often used for seasoning, one is the perilla of the peristome plant, in many literature, especially in ancient times, all the way to the contemporary textbook, such as the five editions of textbooks, the fourth edition of textbooks These are like this, what is the ginger target? Ginger label micro-temperature; what is perilla label? (Perilla) standard temperature. We people with a little bit of common sense (all know) that perilla is also a condiment, and it is certain that ginger has more warmth than perilla. But why is ginger warm and perilla warm in Materia Medica for a long time? Because its references are different.
In the ginger reference there are dried ginger and cannon ginger, because dried ginger is generally the subject of heat, its warm nature is the strongest, we have to learn in the future, warm medicine, heat. After frying the dried ginger into charcoal, its heat has eased, then the general standard temperature, the warm nature of ginger is not as good as the cannon ginger, so compared to the cannon ginger, ginger is slightly warm. Dried ginger is hot, cannon ginger is warm, ginger is naturally slightly warm, this level is very clear. In the ginger family, this comparison between them is very clear and very reasonable. But perilla it has perilla leaves and perilla stems, one is a leaf, one is its stem, generally in Materia Medica its stem is called perilla stem, su stem is slightly warm, the temperature of perilla leaf is a little stronger than the temperature of perilla stem, so it is warm relative to perilla stem, it is warm. If we mark perilla as micro-temperature, then the perilla stem must be slightly warm, and there is no way to do this. The vertical ratio is valid and reasonable, but it is obviously unreasonable to compare perilla and ginger horizontally. So now, our textbook changes ginger and perilla to warmth, but the warmth of ginger and the warmth of perilla are obviously not completely equal.
Therefore, Cheng Zhongling of the Qing Dynasty said that the temperature of this medicine has a warm temperature and a warm temperature. That is, the temperature is different, then the warm temperature, like the spring sunshine is close to everyone, generally acceptable, very mild; then the warm temperature, kaifeng thawing can not be tried lightly, then it is said that the more obvious warm nature. So the same standard temperature, in fact, it is not the same. So we don't have to die to memorize a certain medicine in our textbook is warm, a certain medicine is slightly warm, this takes a lot of effort, has no practical value, put some of the most important, such as the same type of medicine such as divergent wind chill medicine, which one is the warmest? Which one is the most tepid? Then we grasp the typical of the two ends, and the big piece in the middle we don't care about it, it is relatively warm, so that it is very convenient to remember. There is no need to memorize each one specifically, and there are differences in the calibration of the medicinal properties of ancient Materia Medica, in addition to this reason, it is not easy to quantify, can not be objectively quantified, in addition to this, there is already mentioned, that is, the problem of inconsistent standards.
For example, the plaster just mentioned, I said the big cold, it is calibrated by the therapeutic effect, Zhang Xichun's slight cold is based on side effects, then the side effects based on the same and the therapeutic effect (based on) of course are not the same. Therefore, in Traditional Chinese medicine, in addition to the typical warm medicine and cold medicine, there is basically no difference from ancient times to the present, for example, dried ginger and cinnamon have been considered hot medicines since ancient times, and skullcap and skullcap have been considered cold medicines since ancient times. Especially if there are some slightly warm and slightly cold, then this disagreement is particularly much. It is because it cannot be objectively quantified, so we must treat it correctly.
In addition, the medicinal properties of Chinese medicine are also determined by people in a certain historical period and at a certain level of understanding. Then after the fix, it is not set in stone, because the efficacy and application of the drug can not be in place in one step, it is recognized by people at once, then it is gradually found that the efficacy of this drug has changed, some because of the variety of changes, some are not changed in the variety, and the efficacy application has changed, then some of the previous people (fixed) some of its medicinal properties have been modified, that should be, that should be a task of Materia Medica or our current Chinese medicine, must be corrected. If this medicinal property is regarded as dead, unchanging, it is anti-scientific and unscientific.
And the ancients are often revising, for example, we will learn in the future to learn the first taste of the divergent wind and heat medicine peppermint, it was first recorded in the "New Cultivation of Materia Medica", "New Cultivation of Materia Medica" at that time was mainly used to treat cold and cold, it can treat cold evidence, used for cold evidence, so it was given a temperature at that time. Therefore, in the "New Cultivation of Materia Medica", the Materia Medica of the Song Dynasty is warm in mint. After arriving at Jin Yuan, it was found that it was used to treat wind and heat, or the Weifen certificate of warm fever was used more, so the temperature was changed to cool, and it was modified accordingly.
This corresponding (correction) is a kind of progress, a deepening of the understanding of the drug, of peppermint. But some of us now take a certain classic as the standard, as if the above cannot be changed. For a certain medicine change, some people feel that they do not understand, for example, the ginseng of the "Shennong Materia Medica" is set to be slightly cold. When Li Shizhen's father Li Wenyan changed it to gentleness, Chen Xiuyuan lost his temper and said that the "Benjing" said that ginseng was slightly cold, and that this "Compendium of Materia Medica" should be said to be slightly warm, and it was reasonable to burn the "Compendium of Materia Medica" and then quickly, and burn it with a fire, such a book should not be wanted. Then he used the Shennong Materia Medica as an unchanging standard.
In fact, is there any reason for ginseng to change from slightly cold to warm? In fact, it has a background in it, "Shennong Materia Medica" at that time used ginseng is basically raw ginseng, raw ginseng medicinal properties should be flat or flat and cold, to the Ming Dynasty many ginseng is used red ginseng, ancient no red ginseng, red ginseng is the middle of the Ming Dynasty after the beginning of a specification, so this is warm, this should be said to be very practical. We cannot, like Chen Xiuyuan, make accusations just by seeing superficial phenomena. Therefore, now our Traditional Chinese medicine often has to revise some medicinal properties. For example, we now have a lot of antipyretic antidotes in the textbooks, what kind of soil poria or this type of standard flatness, how to clear the heat? So change it to cold or slightly cold, at least it should be changed to slightly cold.
That is to say, the Materia Medica in every historical period is actually changing, and the most valuable part of Li Shizhen's "Compendium of Materia Medica" is the invention, what invention? It is a personal opinion that revises the past Materia Medica. So we specialize in the study of Chinese medicine today, and correct the medicinal properties of some Chinese medicines, that is to say, our credit should also be said to be the most successful part, and should not be blamed. Therefore, the medicinal properties of Chinese medicine are not fixed, it is based on historical development, according to this change in its clinical application, it must make corresponding changes. For example, there is another medicine, Welling Immortal, which has always been warm, and now our textbooks are also warm, I said when I talked about the "Compendium of Materia Medica", at that time, welling-immortal was a plant of the Xuan Ginseng family, and now the Welling Immortal of the Tricholone family is used, and there have been many clinical reports in recent years, and it is a single-flavored medicine, and what is the single-flavored medicine used to treat? Acute bronchitis, sputum fever cough, treatment of acute cholecystitis, treatment is what Chinese medicine calls damp heat, liver and gallbladder damp heat, treatment of hot and humid lymph, urinary tract infection, and is used alone, received good results. Can such a drug still be considered warm? So the current Welling Immortal is still tepid? Then we should also pay attention to in the clinic. So on the question of this medicinal properties, I would like to add this point.
Four qi and five tastes are the core theories of Chinese medicine. This so-called four qi and five tastes is actually very closely related to heaven and earth. In other words, the smell of Chinese medicine is the partiality of the qi of heaven and earth, which is reflected in all things (medicine). What do you mean?
The four qi refer to the four different medicinal properties of cold, heat and cold. Since it is nature, is it called the four sexes bad? Why not call it four qi? In fact, there is a hidden meaning in this, that is, the way of heaven and earth. All things in nature, including people, as well as various animals and plants, live between heaven and earth. What heaven and earth give us is not the same. The weather brings cold, hot, rheumatic, these weather changes; the earth brings, is sour, sweet, bitter and spicy, these tastes are different.
If we look at the four qi and five tastes of Chinese medicine, you will find that what it is talking about is actually that the drug adheres to a certain bias of heaven and earth, thus having a certain therapeutic effect. There are more than four kinds of weather changes, in addition to the cold, hot and humidity just mentioned, there are also dryness and heat. There are at least six main types of weather, so why are there only four medicinal properties?
This requires a more detailed distinction between the weather. In the weather, wind, wet, dry, summer, these four, they are not always there. Summer only appears at a specific time period, that is, on summer days, and wind, humidity, and dryness only appear occasionally. Therefore, as heavenly qi, they are not very universal.
The weather is either cold or hot, or it is slightly cold, or a little hot. That is to say, the weather switches between cold and hot every day, and it is every day. And strictly speaking, for everyone, whether today is cold or hot, warm or cold, this is a question of one-of-four. Every herb is also, either cold or cold, or warm or hot, there is always a property that belongs to you. This is not the same as the four kinds of weather that appear occasionally, wind, humidity, dryness, and heat. Therefore, we must understand the medicinal properties of all Chinese medicines, and divide them with the four qi of cold, hot and warm, which is obviously more suitable.
Of course, several other weathers are also reflected in the medicinal properties. For example, adhering to the customs of various herbs, herbs, musk, wood incense, sandalwood, sand ginseng and wheat dong, with dry qi, Cang shu, bai shu, and liquor filled with summer air. However, these kinds of qi are not the properties that every medicinal herb has, and they are more inclined to have a special effect. For example, the medicine of the wind and the wind can do the qi; the wet enough can nourish the yin; the dry qi can be dry and wet, and the partial summer gas can be warmly replenished.
Compared with these four qi from heaven, the five tastes that grow out of the earth are easier to understand, that is, sour, bitter, sweet, and salty, these five tastes. These are the flavors we touch every day. For example, sour and sweet apples and oranges, spicy peppers, salty salt, and bitter bitter lettuce and bitter melon. What exactly the taste of the herbs is, we will know when we taste it.