1. Tea production season: the black tea picking season starts in March and ends in November, mainly in spring and summer.
2. Raw material: black tea uses the new bud leaves of the tea tree, so usually pick two to three leaves of a bud, and the old and tender degree of tea should be consistent.
3. Processing technology: tea green, withering, rolling, fermentation, drying, Maocha, etc.
4. Color: the dried black tea is mostly dark reddish brown, the bud head is golden yellow, and the shape is mostly strip and granular; the color of the soaked tea soup is bright and red, with aroma.
5. Efficacy: black tea is warm in nature and has little stimulation to human body. Drinking black tea can promote gastrointestinal digestion, heat clearing and detoxification, sterilization and anti-inflammatory effects.