2. There are many effects of autumn and winter health tea, among which the common ones are reducing fire and nourishing yin, clearing lung and clearing heat, eliminating phlegm and dampness, diuresis, helping digestion, degreasing, promoting fluid production and quenching thirst, eliminating phlegm, tonifying kidney and replenishing essence, nourishing liver and improving eyesight, moistening lung and moistening dryness. Different differences have different effects. For example, the main function of Lycium barbarum tea is to tonify kidney and essence, nourish liver and improve eyesight, and green tea can eliminate fire, promote fluid production and quench thirst, promote digestion and eliminate phlegm.