Different teas have different "personalities": black tea is warm and can nourish human yang, green tea is cold and can clear away heat, oolong tea moistens the throat and produces fluid, and scented tea nourishes the liver and gallbladder. Theoretically speaking, drinking tea can also cure diseases and prevent diseases, but different teas have different "indications", so everyone should choose the variety that suits them. Drink black tea to prevent influenza. Drinking tea in winter is the top grade. Black tea is sweet and warm, which can nourish human yang; Black tea is rich in protein and sugar, which generates heat and warms the abdomen, enhances the cold resistance of human body, and helps digestion and greasy. In some parts of China, there is also the habit of drinking black tea with sugar, milk and sesame seeds, which can not only warm the abdomen, but also increase nutrition and keep fit. Studies have found that black tea can reduce the incidence of stroke and heart disease. Stroke and heart disease are high-risk diseases in winter, so elderly people with cardiovascular and cerebrovascular diseases often make a cup of warm black tea in winter, which can not only warm their bodies, but also play a role in preventing diseases. In addition, gargling with black tea or drinking it directly can also prevent influenza, which is also necessary in winter. Drinking black tea also plays a unique role in preventing osteoporosis and reducing the incidence of skin cancer, making the audience of black tea wider. Because black tea is a fermented tea with weak irritation, it is especially suitable for people with weak stomach and body. Dr. Liu Yang, from the Sub-health Department of Oriental Hospital affiliated to Beijing University of Chinese Medicine, reminded that it is best to control the amount of tea to 3 to 5 grams when drinking black tea. Pay attention to hot drinks, and it is best to drink them now. If it is left for a long time, the nutrition and taste will be discounted. Green tea is dry in winter, and people like to eat greasy and spicy food. The fire of green tea has become a health problem that puzzles many people, and brings constipation, dry mouth and even aphtha. You can turn to green tea at this time. Green tea is unfermented tea, which is cold and can clear away heat. Therefore, it can remove fire, promote fluid production to quench thirst, promote digestion and eliminate phlegm, accelerate the healing of mild gastric ulcer, reduce blood lipid and prevent arteriosclerosis. Therefore, people who are easy to get angry, people who usually like smoking and drinking, and obese people (usually with real heat constitution) are more suitable for drinking green tea; People with stomach deficiency and fear of cold should not drink green tea. Oolong oolong tea is a semi-fermented tea, which is between green tea and black tea. Its color is blue and brown, so it is named "green tea". In taste, oolong tea not only has the fragrance and natural floral fragrance of green tea, but also has the mellow fragrance of black tea. Not cold or hot, mild. Therefore, it has the functions of moistening skin, moistening throat, promoting fluid production and eliminating accumulated heat in the body, and can make the body adapt to the changes of natural environment. In winter, the indoor air is mostly dry, and people are prone to dry mouth and chapped lips. At this time, soaking in a cup of oolong tea can alleviate the distress of dryness. In addition, oolong tea has a good decomposition effect on protein and fat, which can prevent the accumulation of liver fat. For people who are afraid of sticking to fat in winter, green tea also has a certain weight loss effect. Patients with depression may wish to taste scented tea, including jasmine tea, magnolia tea, osmanthus tea and rose tea. It is made of green tea and different fragrant flowers. Generally speaking, scented tea can nourish liver and gallbladder, strengthen limbs and dredge meridians. Take jasmine tea as an example, it can clear away heat and relieve summer heat, strengthen the spleen and soothe the nerves, and has a good effect on treating dysentery and preventing stomachache. Honeysuckle Chaze can clear away heat and toxic materials, refresh and quench thirst, and has an ideal curative effect on sore throat, and also has a good effect on preventing influenza. Therefore, winter should be properly chosen, especially for women who are prone to depression and irritability before and after menopause and during menstruation. It is advisable to drink scented tea to eliminate depression.