Patients with gastroenteritis should eat a low-fat, light diet. Gastroenteritis is mostly caused by poor dietary habits, eating unclean food, overeating destroyed the gastrointestinal mucosa. Patients often manifested as indigestion, diarrhea, abdominal pain, etc., the more serious acute gastroenteritis patients will have nausea, vomiting and other symptoms. Therefore, the diet of patients with gastroenteritis should be low-fat, light food, it is best to eat fluids, semi-liquid food that is conducive to digestion and absorption, and less burdensome to the stomach and intestines. Such as staple food can choose to fully boiled, more soft porridge, such as millet porridge, grains and cereals porridge. Vegetables can choose fresh green vegetables, such as cabbage, carrots, etc., supplemental nutrition, you can also eat a small amount of boiled meat. Patients in the acute stage of gastroenteritis should pay attention not to consume raw and hard dry rice, cookies, potpourri, etc., and green vegetables with too much fiber content, too greasy meat, etc. Avoid eating cold, spicy and stimulating foods, such as ice cream, fatty meat, beer, barbecue food, etc., so as not to aggravate the condition by excessively stimulating the intestinal mucosa.