1, diet: should be moderate and regular, regular ration, avoid overeating. When eating, chew slowly, and should not eat more than 4 meals a day. Food should be rich in nutrition, fresh, easy to digest soft food, eat more plant protein, vitamin food, avoid too hard, too spicy, too salty, too cold, too hot, too rough, stimulating food and strong tea, coffee and other beverages. Avoid drinking a lot of soup and water during meals and before and after meals, and avoid eating sour and sweet food and eating a lot of thin food at one time if you have too much stomach acid. For those who have abdominal flatulence, eat less potatoes, sweet potatoes, roots, taro and milk, soy milk, etc. Do not smoke and drink less alcohol. 2, living: regular work and rest, to ensure adequate sleep, avoid cold stimulation, appropriate exercise. 3, mood: optimism, emotional stability, avoid excessive mental tension, anxiety, anger, depression, overthinking. 4, should avoid taking drugs that damage the gastric mucosa such as aspirin, acetaminophen, pau tai pine, indomethacin, tetracycline, erythromycin, prednisone, etc. Also try to avoid drinking Chinese medicine on an empty stomach, if you have to use it, also try to take it after meals or take gastric mucosal protector at the same time. 5, gastroscopy is the preferred effective means for early and correct diagnosis of all types of gastritis, gastric ulcer, duodenal ulcer and whether it is cancerous, although there is transient nausea during operation, but most people can bear it, and a few people can choose painless gastroscopy. 6. There is no need to be afraid of precancerous lesions such as atrophic gastritis, intestinal epithelial metaplasia, atypical hyperplasia (or epithelioma-like changes), etc. Gastroscopy should be done regularly for follow-up observation, and gastroscopy should be repeated once in 1-1 or 5 years for mild cases, and once in 3-6 months for severe cases. Therefore, the treatment of gastric ulcer and duodenal ulcer has a fixed course of treatment, while the treatment of chronic gastritis has no fixed course of treatment. 8, whether chronic gastritis, gastric ulcer, duodenal ulcer, may be related to H. pylori infection, but must be determined by carbon 14 breath test or gastroscopy to take tissue for rapid urease test or pathological examination of the presence of this bacteria before the need to use antibacterial drugs, otherwise not; the presence of this bacteria means that gastric disease is infectious, need to use independent meal club, as little as possible to eat out. 9.If there is persistent stomach pain (epigastric pain) more intense, frequent vomiting, black stool, that means the ulcer is complicated by perforation, pyloric obstruction, upper gastrointestinal bleeding, need emergency hospitalization. 10. Chinese medicine treatment: medicine needs to be identified and used. Internally, there are soup, decoction-free granules and ointment, and externally, there are acupuncture, acupressure, acupressure, ear acupuncture and other methods.