Lemon with green tea in water, for the common drink, does not have the contraindication of drugs, moderate drinking is not harmful to the human body. Lemon with green tea in water is a common drink that can provide water, carbohydrates and other nutrients for the body. Lemon is a common fruit, often used for flavoring and drinking. Each 100 grams of lemon contains 37 calories, of which 6.2 grams of carbohydrates, 1.1 grams of protein, 1.2 grams of fat, 101 milligrams of calcium, 0.8 milligrams of iron. Each 100 grams of green tea (dry) contains 328 calories, of which 50.3 grams of carbohydrates, 34.2 grams of protein, 2.3 grams of fat, 19 mg of vitamin C, 325 mg of calcium, 14.4 mg of iron. Lemon with green tea can increase the layering of the tea drink, while lemon is more acidic, moderate consumption can be appetizing. Green tea contains more antioxidants such as tea polyphenols, which are beneficial to health, and there is no contraindication to moderate consumption. But if there is gastroesophageal reflux and other stomach diseases patients, need to reduce the amount of lemon and the concentration of tea to avoid gastrointestinal discomfort. Insomnia patients are also not suitable for drinking strong tea. Healthy people are advised to drink lemon with green tea in moderation, not excessive, so as not to increase the burden on the gastrointestinal tract.