It is advisable to drink scented tea in spring, which can disperse the cold evil accumulated in the body all winter and promote the hair growth of human yang; It is advisable to drink green tea in summer. Green tea tastes bitter and cold, and it can clear away heat and relieve summer heat, detoxify, enhance gastrointestinal function, promote digestion, prevent diarrhea and skin boils infection. Green tea should be drunk in autumn. Green tea is neither cold nor hot, which can completely eliminate the residual heat in the body, restore sweetness and warmth, and make people feel refreshed; It is advisable to drink black tea in winter, which is sweet and rich in protein and has a certain nourishing effect.