Grapes are a common fruit in life, grapes have high nutritional value and are good for the body when eating grapes, but grapes are not allowed to eat in all cases, such as when diarrhea, grapes are forbidden to eat, because grapes are cold fruits, it is best not to eat cold food when you have diarrhea, which can easily cause diarrhea to worsen, so do not eat for the time being. When you have diarrhea, you can drink cold salted boiled water or apple water and eat warm food that is easy to digest and rich in fiber, such as thick porridge and noodles. Eat a light diet, do not eat greasy food, avoid drinking strong tea, strong wine, strong coffee and eating spicy, too cold, too hot and rough food.