1. Black tea is sweet and mellow in taste, nourishing and benefiting the stomach, helping digestion, removing greasy food, nourishing the body, nourishing the human yang, generating heat and warming the abdomen, and enhancing the cold resistance of the human body. It is especially suitable for people with cold weather and poor spleen and stomach in winter. When brewing black tea, it is advisable to brew it with freshly boiled water and cover the cup to avoid fragrance.

2. Green tea is not fermented, and it is the most abundant and widely consumed tea in China. It is characterized by clear soup and green leaves. Efficacy and function of green tea: In Britain, tea is a healthy liquid and a spiritual drink. It is called "national drink" in China. A large number of studies in modern science have confirmed that tea does contain biochemical components closely related to human health. Tea not only has the pharmacological effects of refreshing brain, clearing away heat and relieving summer heat, resolving food stagnation, relieving fatigue and losing weight, clearing away heart fire and vexation, relieving hangover, promoting fluid production to quench thirst, reducing fire and improving eyesight, stopping dysentery and removing dampness, but also has certain pharmacological effects on modern diseases such as radiation sickness, cardiovascular and cerebrovascular diseases and cancer.