Grape is a tonic, which has the effect of tonifying deficiency and strengthening stomach. People who are weak and malnourished should eat more grapes or raisins, which will help to restore their health, because grapes contain many nutrients such as protein, amino acids, lecithin, vitamins and minerals, especially sugar, mainly glucose, which is easily absorbed by the human body.

Eating too many grapes will get angry, and people with spleen and stomach deficiency and cold may have diarrhea.