The sugar content of grapes is as high as 10%-30%, mainly glucose. A large amount of fruit acid in grapes helps digestion. Eating more grapes properly can strengthen the spleen and stomach. Grape contains minerals such as calcium, potassium, phosphorus, iron, vitamins B 1, B2, B6, C, P, etc., and also contains many amino acids needed by human body. Eating grapes regularly is of great benefit to neurasthenia and fatigue. After grapes are made into raisins, the content of sugar and iron will be higher, which is a good tonic for women, children and people with weakness and anemia. Medical books and records in ancient China all discussed the medicinal use of grapes. Traditional Chinese medicine believes that grapes are sweet and slightly sour, and have the effects of nourishing liver and kidney, benefiting qi and blood, appetizing and promoting fluid production, and diuresis.