You can’t eat grapes when you have an upset stomach. Although grapes are rich in vitamins and minerals, they are a cold food, so eating them when you have an upset stomach will aggravate the symptoms of gastric discomfort, especially if you have a cold spleen and stomach, and will induce indigestion after eating them. Grapes are acidic fruits, after entering the stomach, it will stimulate the gastric glands to secrete a lot of gastric acid, and many patients with gastric diseases, itself is due to excessive secretion of gastric acid, these people will therefore aggravate the condition. When you have an upset stomach, you should try to focus on warm foods and reduce foods that are too cold. Otherwise, it will cause irritation to the stomach and affect the recovery of the stomach disease. Some people also eat grapes with skin, grape skin, although part of the nutrition, but the dietary fiber content is too high, is not conducive to gastrointestinal digestion, will therefore lead to aggravation of the condition.