The way to restore the damaged intestinal mucosa needs to be chosen according to the degree of intestinal mucosa damage. For patients with intestinal mucosa damage who have no other uncomfortable symptoms themselves, they can be restored by adjusting their diet; for patients with diarrhea, abdominal pain and other symptoms, it is recommended to take medication under the guidance of a doctor, and at the same time to adjust their diet. When the intestinal mucosa is damaged to a lesser extent, there are no uncomfortable symptoms per se, usually no treatment is needed, and it can be restored by adjusting the diet. Dietary advice to eat light and easy to digest food, reduce the burden on the stomach and intestines, such as rice porridge, steamed eggs, soft noodles and so on. At the same time, it is necessary to quit smoking and alcohol, do not eat greasy spicy stimulating food, to avoid stimulating the intestinal mucosa, aggravating intestinal mucosal damage. When patients with intestinal mucosal damage will appear diarrhea, abdominal pain and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to take clarithromycin, omeprazole enteric-coated tablets, bismuth aluminate compound and other medications to alleviate the symptoms of intestinal mucosal damage. During the period of taking medication, we should pay attention to diet, avoid eating greasy spicy stimulating food, such as fat meat, chili peppers and so on, so as not to affect the therapeutic effect and aggravate the burden on the stomach and intestines. Patients with intestinal mucosa damage should maintain a healthy diet and work habits in daily life, have regular meals, and not eat unclean or spoiled food. Moderate physical exercise to enhance physical fitness. Keep your mood happy and avoid anxiety. If discomfort occurs, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor to carry out targeted treatment, do not take medication on their own, so as not to delay the condition.