(1) yunnan black tea contains polyphenols, which have the functions of anti-inflammation, sterilization, quenching thirst and relieving summer heat, but people with strong liver fire had better drink less yunnan black tea.

(2) yunnan black tea contains caffeine and catechin, which has diuretic, refreshing, detoxicating, promoting metabolism and improving immunity.

(3) yunnan black tea also has the effects of delaying aging, invigorating stomach, promoting digestion, resisting radiation, caring skin and removing toxic substances.