The stomach and intestines can usually be maintained by adjusting the dietary structure, improving eating habits and maintaining a good state of mind. 1. Adjusting dietary structure: patients should eat easy-to-digest, light food, but also consider the balance of dietary nutrition, and try to avoid eating cold, spicy, stimulating and indigestible food. 2. Improve eating habits: patients need to do regular diet, three meals in order, avoid overeating. At the same time, pay attention to food hygiene, and develop a good habit of washing hands in time before and after meals. 3. Maintain a good state of mind: patients should avoid long-term tension, anxiety, depression and other states, to avoid abnormal spleen and stomach function. In addition to daily life management, if patients have gastroenteritis, gastric ulcer, diarrhea and other gastrointestinal diseases, they should seek medical treatment in a timely manner to avoid delays.