1. Grape juice is rich in glucose. When hypoglycemia occurs in the body, drinking some grape juice properly can alleviate the symptoms of hypoglycemia.

2. Grape juice contains a substance that can assist sleep-melatonin, which can help regulate sleep cycle and improve abnormal sleep conditions.

3. For the elderly with weak stomach qi, insufficient stomach yin, chronic gastritis and poor appetite, drinking a small glass of grape juice before meals can make up for weakness and increase appetite.

4. Children often drink grape juice, which can promote bone development and improve neurasthenia and fatigue.

5. Grape juice contains resveratrol, an anticancer substance, which can prevent healthy cells from canceration, prevent cancer cells from spreading, effectively help organ transplant patients reduce rejection and promote rehabilitation.