Farmers' markets are very cheap. A large amount of fruit acid in raisins helps digestion, and eating more grapes properly can strengthen the spleen and stomach. Grape contains calcium, potassium, phosphorus, iron, glucose, fructose, protein, tartaric acid, vitamin B 1, B2, B6, C, P and other minerals. It also contains a variety of amino acids needed by the human body. Eating grapes regularly is of great benefit to neurasthenia and fatigue. In addition, it also contains a variety of substances with physiological functions. 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.