Drinking tea every day has certain benefits to the body, tea contains caffeine, tea polyphenols, as well as zinc, selenium, iron, potassium, calcium, magnesium, manganese and other minerals, which can play a certain role in anti-fatigue, diuretic, improve body resistance, prevent caries, etc. At the same time, obesity, hyperlipidemia, cardiovascular and cerebrovascular disease people, drinking tea in moderation every day is also beneficial to health. 1, anti-fatigue: tea contains caffeine and other chemical substances, can excite the central nervous system, enhance the thinking activity and memory, can improve the efficiency of daily work and study to a certain extent; 2, diuretic: caffeine excitation of the central nervous system at the same time, can stimulate the urination reflex of the senior center as well as the kidneys, produce urination, promote the metabolism of water and sodium in the blood, reduce the body edema; 3, improve the body’s resistance: tea polyphenols have a certain auxiliary astringent effect, while The tannic acid contained in tea can act on the protein of pathogenic bacteria, and can play a bactericidal role for some pathogenic bacteria, so it can help improve the body’s resistance; 4, prevent caries: tea polyphenols and fluorine in tea can act on the surface of teeth, forming a protective film to prevent the occurrence of caries, and at the same time can clean the oral bacteria; 5, lose weight: the cholesterol, catechin, inositol, caffeine, folic acid and 6.Lowering blood fat: tea is rich in tea polyphenols, with antioxidant effect, can effectively regulate the concentration of fat in the blood, especially green tea, compared with other teas contain higher tea polyphenols, daily moderate drinking can inhibit the synthesis of low-density lipoprotein, reduce blood cholesterol, triglycerides, and increase the amount of cholesterol excretion in the feces Therefore, people suffering from hyperlipidemia, cardiovascular and cerebrovascular pathologies can drink in moderation every day; 7, other: caffeine in tea can promote gastric secretion, help digestion of food, reduce the burden on the gastrointestinal tract, promote the body’s metabolism, enhance the decomposition of fats, sugars, for lowering blood sugar also has some help. In addition, long-term smokers drink tea in moderation, but also to a certain extent to reduce the harm of nicotine on the human body. It should be noted that there are many types of tea, summer moderate drinking green tea helps to clear the heat and relieve the summer heat, while winter moderate drinking black tea to warm the stomach to drive away the cold. Although it is good to drink tea, do not drink too much tea, so as not to increase the burden on the heart and kidneys; also should not drink too strong tea, so as not to affect the rest, on severe hypertension, angina and insomnia have a negative impact.