It belongs to post-fermentation tea (its degree of fermentation varies with time).
The older it is, the more fragrant it is.
This kind of tea is mainly sold to Russia and other countries, as well as China's border areas; most of them are sold domestically, and a small part is sold overseas. Therefore, it is customary to call the tightly pressed tea made of black tea "side selling tea"
A process: The black tea preparation method for different varieties of origin is different, but most of them are through the fresh leaf killing, initial kneading, wo pile, compound kneading, drying and other processes.
II. Classification:
1, according to the geographical division:
Hunan black tea (Anhua black tea, etc.)
Hubei black tea (Puxi old green tea, etc.)
Sichuan black tea (South Roadside Tea, West Roadside Tea, etc.)
Guangxi Black Tea (Liupao Tea)
Yunnan black tea (Pu'er tea)
2, classified by tree species
Trees: The leaves of the trees are mainly picked as tea leaves, and the leaves are larger.
Shrubs: mainly picking shrub leaves as tea green (that is, we generally see dwarf tea tree species, with smaller leaves)
3, according to the production method classification
Raw tea: fermented in a natural way after picking, the tea is more stimulating, and the tea will become mild after many years, and the good old Pu'er is usually made in this way.
Cooked tea: The scientific artificial fermentation method makes the tea mild, so that the tea water reaches soft water and is delicious.
4, classified by appearance
1) Cake tea: flat disc shape, of which the seven-son cake each net weight of 357 grams, each seven for a barrel, each barrel weighs 2500 grams, so the name of seven-son cake.
2) Tuo tea: the shape and size of the rice bowl, each net weight of 100 grams, 250 grams, and now there are mini small tuo tea each net weight of 2 grams - 5 grams.
3) Brick tea: rectangular or square, 250 grams - 1000 grams mostly, made of this shape is mainly for ease of transportation.
4) Golden Melon Tribute Tea: Pressed into half-melon shapes of varying sizes, from 100 grams to hundreds of pounds.
5) Thousand two tea: pressed into a tightly pressed bar of different sizes, each tea bar weight is relatively heavy (the smallest tea has about 100 pounds), so the name: thousand two tea
6) Loose tea: The production process has not been pressed and formed, and the Pu'er tea with the shape of the tea leaves is loose tea, which is divided into thick and fat leaf tea made of whole tea leaves, and there are also small strips of bud tip tea made of bud tip part.

3. Raw materials: rich flower color, variety, large-leaf species and other coarse old stem leaves or fresh leaves of tea plants are fermented after fermentation.
4. Appearance: bluish brown, yellow brown or black brown (tea leaves are durable and durable, taste bad but not bitter)
5 Soup color: orange yellow, orange red or brown (although it is black tea, the brewed tea soup may not be black)
6 Aroma: with aged fragrance, the taste is mellow and sweet.
Seven Properties: Mild. (Suitable for winter drinking)
Efficacy of black tea
As a major type of tea unique to China, the rich content of black tea is incomparable to that of the common small and medium-leaf family. Hundreds of years of drinking experience in the origin and northwest have proved that it has significant effects in digesting, degreasing, and conditioning the stomach and intestines.
In addition, black tea also has the functions of lowering blood lipids, lowering blood pressure, lowering blood sugar, nourishing the stomach, nourishing the stomach, strengthening the stomach, passing sanjiao, diuresis, weight loss, etc., and is known as "the mysterious tea on the Chinese road, the tea of life of ethnic minorities in northwest China".