Yes, green tea can reduce fat and lose weight, and prevent cardiovascular and cerebrovascular diseases. The relationship between drinking tea and losing weight is very close. As early as more than 2,000 years ago, Shennong Materia Medica mentioned the role of tea in losing weight: "Take it for a long time, feel at ease and benefit qi ...... intellectual man fit is not old". Modern scientific research and clinical experiments have proved that drinking tea can reduce blood lipid and cholesterol, and make the body lighter. This is because of the comprehensive coordination of phenolic derivatives, aromatic substances, amino acids and vitamins in tea, especially the comprehensive effect of tea polyphenols, theanine and vitamin C, which can promote fat oxidation, help digestion, reduce fat and lose weight. In addition, tea polyphenols can dissolve fat, while vitamin C can promote cholesterol excretion. Green tea itself contains tea gan ning, which improves the toughness of blood vessels and makes them not easy to rupture. The chemical composition of tea is composed of 3.5-7.0% inorganic matter and 93-96.5% organic matter. There are about 27 kinds of inorganic mineral elements in tea, including phosphorus, potassium, sulfur, magnesium, manganese, fluorine, aluminum, calcium, sodium, iron, copper, zinc and selenium. Organic compounds in tea mainly include protein, lipids, carbohydrates, amino acids, alkaloids, tea polyphenols, organic acids, pigments, aroma components, vitamins, saponins and sterols. Tea contains 20-30% leaf protein, but only about 3.5% can be dissolved in tea soup. Tea contains 1.5-4% of free amino acids, and there are more than 20 kinds, most of which are essential amino acids for human body. Tea contains 25-30% carbohydrates, but only 3-4% can be dissolved in tea soup. Tea contains 4-5% lipid, which is also necessary for human body. Drinking green tea often is good for the fetus. When watching TV or sitting in front of the computer, drinking green tea is good for the body, but the precautions for drinking tea: It is worth noting that drinking tea must be moderate, and excessive drinking tea will affect the absorption of iron. It is best to drink tea with warm boiled water at about 80℃-85℃ as you soak it. Don't brew it too much or leave it for too long, and it is not easy to be too strong every time. It is advisable to drink it in several times.