Grapes are a common fruit in daily life, which are rich in vitamins, minerals and trace elements, glucose and phytochemicals, etc., and are beneficial to health in moderation. Although there are no six contraindications to eating grapes, but there are some precautions in consumption: 1. Avoid drinking water or milk immediately after eating grapes, grapes have a laxative effect, drinking water or milk immediately after consumption, which will lead to a rapid reaction with stomach acid in the stomach, thus promoting gastrointestinal peristalsis, which can easily lead to the occurrence of diarrhea. And milk is rich in protein, and grapes contain acid, the two together may affect the digestion and absorption of milk protein; 2, grapes to avoid eating with seafood, seafood contains a lot of protein, and grapes have tannic acid, the two together will react, resulting in protein coagulation, which affects digestion and absorption, increasing the burden on the stomach and intestines; 3, pay attention to avoid excessive consumption of grapes, the sugar content of grapes is high The high sugar content of grapes may lead to blood sugar fluctuations when consumed in excess. People with high blood sugar or pregnant women are not suitable for consumption to avoid elevated blood sugar. Patients with acne on their skin should not eat more, as it may aggravate acne. In addition, care should be taken to wash the grapes before consumption to prevent harmful substances from entering the body on the skin. After consumption, it is necessary to pay attention to rinse the mouth to avoid a large amount of grape pulp, peel residue and fructose remaining in the mouth and teeth, which may lead to the occurrence of dental caries.