If the patient’s acute gastroenteritis performance is particularly heavy, such as frequent nausea, vomiting, violent vomiting, such as diarrhea is particularly serious, the number of stools per day more than 11 times, and are dilute watery stools, in this case is not recommended to eat, mainly oral some salt solution can be. If the patient’s gastrointestinal symptoms are mild, no fever, diarrhea, no mild abdominal pain, or no indigestion, it is possible to eat, such as eating light, easily digestible food, and do not eat spicy, stimulating food, and do not eat cold or too hot food.