Chronic atrophic gastritis is a common disease of the digestive system. It needs to be taken seriously because it can become enteric, heterogeneous and even cancerous. Chronic atrophic gastritis treatment is mainly dietary adjustments and medication: 1, diet should be rich in nutrients: less stimulating, easy to digest food, avoid smoking, alcohol, coffee, strong tea and drugs that stimulate the stomach. 2, eliminate doubts, adjust the mental mood: keep the mood optimistic, relaxed, calm, and establish a positive and healthy attitude towards life. 3.Medication 4.Acid suppressing or acid controlling agent: It is suitable for those with mucosal erosion or with heartburn, acid reflux and epigastric pain as the main symptoms. Receptor blockers (famotidine, etc.), proton pump inhibitors (omeprazole, etc.), and acid-control agents (compound aluminum hydroxide, etc.) can be used according to the severity of the disease or symptoms. 5, bile binding agents: for all types of gastritis with bile reflux, there are koelenolide, glycolic aluminum, aluminum magnesium carbonate, etc., the latter has both antacid, mucosal protective effect. Hp eradication therapy is suitable for Hp positive patients: (1) chronic gastritis with gastric mucosal erosion/atrophy; (2) those with family history of gastric cancer; (3) those with erosive duodenitis; (4) chronic gastritis with dyspeptic symptoms; mucosal protective agents: suitable for those with gastric mucosal erosion, bleeding or obvious symptoms, commonly used drugs include bismuth, aluminum thioglycollate, rehabilitative new liquid, compound glutamine, gefalte, tiramisole, rebaudioside, and other drugs. Pregabalin, Rebaipate tablets, etc. Pro-digestive agents: suitable for those with symptoms such as epigastric fullness, early satiety, belching and vomiting, etc. Commonly used drugs include domperidone, mosapride, trimebutine maleate, etc. Digestive stimulants: For atrophic gastritis with low gastric acid, or loss of appetite and other symptoms, commonly used drugs include dilute hydrochloric acid, pepsin, compound azinomide enteric tablets, Mitragynine pancreatic enzyme tablets, etc.