Peptic ulcer should be “three points of treatment, seven points of maintenance”, diet therapy is an important part of the treatment of ulcer disease, prevention of ulcer occurrence and recurrence. Patients with ulcer disease in the diet should pay attention to matters: 1, develop a reasonable diet: regular life, avoid staying up late, reduce unnecessary worries, keep a happy mood, do not eat 2-3 hours before bedtime, avoid too tight clothes. Eating should be regular and quantitative, chew and swallow slowly. In the ulcer activity period, to eat liquid or semi-liquid, easy to digest, nutritious food, and a small number of meals is appropriate, after the symptoms are controlled, should resume the usual three meals a day regular diet, and should avoid snacking between meals. 2, strengthen nutrition: should be easy to digest, contains enough heat, protein and vitamin-rich food such as thin rice, thin noodles, soft rice, soy milk, eggs, lean meat, tofu and soy products; rich in vitamin A, B, C food, such as fresh vegetables and fruits. These foods can strengthen the body’s resistance, help repair damaged tissues and promote ulcer healing. Patients with heavy acid reflux and in the acute stage should try to drink less soy milk and milk, as they can stimulate excessive secretion of gastric acid. 3, avoid rough and irritating food (especially in the acute stage or when there are obvious symptoms need to pay attention to avoid): (1) avoid eating raw and cold vegetables, fruits, coarse fiber food, such as coarse grains, celery, leek, snow, bamboo shoots, dried fruits, dried beans, etc.; especially emphasize the Suzhou-Shanghai area people like to eat “grass head”, ulcers People who have ulcers must avoid it. (2) Avoid eating foods that are easy to produce gas, such as raw onion, raw garlic, raw radish, garlic, onion; (3) Avoid eating foods that are easy to produce acid, such as groundnuts, cold noodles, potatoes; (4) Avoid eating too sweet snacks and sugar and vinegar food, etc.; (Peptic ulcer treatment in the application of acid-suppressing drugs, the consumption of sugar sweets will cause high acid in the stomach, affecting the therapeutic effect) (5) Avoid eating a lot of cold drinks, spicy cold dishes, hard and indigestible (5) Avoid eating a lot of cold drinks, spicy cold dishes, hard and indigestible foods, such as bacon, ham, sausages, mussels, fried foods, rice cakes, dumplings and other glutinous rice products; all of the above foods can aggravate the condition of ulcer disease and promote the recurrence of ulcer disease. However, various coarse grains processed into vegetable purees and other easily digestible foods can be consumed. Chemical stimuli have a strong excitatory and irritating effect on the secretion of gastric juice, such as thick broth, gravy, MSG, coffee, chocolate and carbonated drinks such as Sprite and cola; and strong condiments such as mustard, pepper, chili oil, vinegar, chili, curry and wine; as well as fried and deep-fried foods and large amounts of cane sugar, etc. Any food that is too cold or too hot can stimulate the ulcer surface, so it should be avoided, and the general temperature of food should be 45℃. In short, the food should not be too acidic, too sweet or too salty, to light and refreshing, not greasy fat. 4, quit smoking and alcohol: Nicotine in tobacco can change the pH of gastric juice, disrupting the normal activities of the gastric pylorus, inducing or aggravating ulcer disease. Ethanol can directly destroy the protective layer of gastric mucosa, causing gastric mucosa erosion ulcer formation. So ulcer patients should quit smoking and quit drinking. 5, food preparation methods: ulcer disease eat food must be chopped and cooked; cooking to appropriate to steam, boil, stir-fry, stew and other methods is better. Pan-fried, fried, smoked and other cooking dishes are not easy to digest and stay longer in the stomach, affecting the healing of the ulcer surface. 6, avoid taking drugs that damage the gastric mucosa: Some drugs such as aspirin, dexamethasone, prednisone, anti-inflammatory pain, etc. have an irritating effect on the gastric mucosa and can aggravate the condition of gastric ulcers, should be avoided as much as possible. If you have to take them due to illness, consult your doctor and follow medical advice.