At present, there is no specific drug for the treatment of new crown pneumonia, but traditional Chinese medicine has played an important role in its prevention and treatment. The new crown pneumonia belongs to the category of "epidemic diseases" in Traditional Chinese medicine, the cause is to feel the "epidemic" atmosphere, and prevention and care for healthy qi are the key. Wu Yousheng discussed in the "Treatise on the Epidemic of Temperature": "The qi of the nose of all people is through the weather, the natural qi is full, the evil is not easy to enter, the natural qi is in arrears, and between the breaths, the external evil is multiplied." "If the righteous qi is strong, then the false evil and thief wind and the epidemic poison are not easy to take advantage of the void." Chinese medicine sachet is a sachet formula formulated under the guidance of the idea of "treating diseases before they occur" in Chinese medicine and using the theory of "external treatment of Traditional Chinese medicine".
The "Guangdong Provincial Guidelines for the Treatment of New Coronary Pneumonia in Traditional Chinese Medicine" mentioned in the Simple Anti-pollution Prevention Method of Traditional Chinese Medicine, including Ai Fu, Mu Foot and Dirty Sachet, the practice of removing the sachet is to put Cang Shu, Bai Zhi, Calamus, Sichuan Root, Xiang Fu, Xinyi, Wu Zhu, Weed, Mu Ye, each equal, studied and placed in a cloth bag, worn with the bag or placed at home.

Cangshu
Cangshu is the dried rhizome of the Atractylodes lancea (thunb.) dc. or the northern atractylodes chinensis (dc.) koidz. It has the effect of drying and wet spleen, dispelling wind and cold, and bright purpose.
Bai Zhi
It is a plant of the family Umbellifera dahurica (fisch.ex hoffm.) benth. et hook.f. or hangbaizhi angelica dahurica(fisch.ex hoffm.) benth.et hook.f. The dried root of var.formosana (boiss.) shan et yuan has the effect of dispersing wind and dehumidification, relieving pain, reducing swelling and draining pus.
Stone calamus
Calamus is the dried rhizome of the calamus tatarinowii schott of the plant Calamus tatarinowii schott of the family Asteraceae. It has the effect of reducing wet appetizer, opening up phlegm, and awakening the mind.
Sichuan
It is the dried rhizome of the umbellifera ligusticum chuanxiong hort. (or ligusticum wallichii franch.). It has the effect of invigorating blood and qi, dispelling wind and relieving pain.
Incense attached
Incense is attached to the dried rhizome of the sedge family Cyperus rotundus l. It has the effect of relieving depression and regulating menstrual pain.
Xin Yi
Xinyi is a dried bud of magnolia biondii pamp., magnolia denudata desv. or Wudang magnolia sprengeri pamp. It has the effect of dissipating wind and cold and passing through the nose.
Evodia
Evodia rutaecarpa(juss.)benth., shihu evodia rutaecarpa(juss.)benth. var. officinalis (dode)huang or evodia rutaecarpa (juss.)benth. var. Dried near-ripe fruit of bodinieri (dode)huang. It has the effect of relieving cold and pain, reducing reverse vomiting, and helping Yang and relieving diarrhea.
Patchouli
Patchouli is a plant of the family Lipaceae pogostemon cablin (blanco) benth. The dried aerial part. It has the effect of aromatizing turbidity, appetizing and anti-vomiting, and publishing anti-heat effect.
Ai Ye
Mugwort is a plant of the Asteris family Argyi levl. et vant. of dried leaves. It has the effect of stopping bleeding, dispersing cold and relieving pain.