Chronic gastritis may manifest as pain and fullness in the middle and upper abdomen, as well as indigestion symptoms such as loss of appetite, belching, acid reflux and nausea. It can be relieved by adjusting diet and lifestyle, removing the cause of the disease, enhancing the defense ability of gastric mucosa, promoting gastric motility and traditional Chinese medicine. 1. Adjusting diet and lifestyle: avoiding spicy, greasy and cold foods, quitting smoking and limiting alcohol can help improve chronic gastritis. 2. Remove the cause of disease treatment: (1) Eradication of Helicobacter pylori treatment: For chronic gastritis caused by Helicobacter pylori infection, quadruple therapy can be applied to treat, and a proton pump inhibitor (such as omeprazole) + bismuth (colloidal bismuth pectin) + 2 antibiotics (amoxicillin, clarithromycin, etc.), with a course of 10 to 14 days. (2) Acid-suppressing or antacid treatment: If it is caused by excessive gastric acid secretion, it needs to be treated by inhibiting gastric acid secretion, e.g., omeprazole and cimetidine. (3) Enhancement of gastric mucosal defense: colloidal bismuth, aluminum thiosulfate, aluminum phosphate gel, etc. 4. Gastric stimulating drugs: for epigastric fullness, early satiety and other symptoms, commonly used drugs are domperidone, cisapride, mosapride, etc., which can eliminate or reduce bile reflux. 5. Traditional Chinese medicine: atrophic gastritis can be added with gastrofuchsin and so on. 6. Others: patients with anemia can apply iron, folic acid and intramuscular injection of vitamin B12, etc. For those with obvious mental factors, antidepressants and sedatives can be used. Patients who have chronic gastritis should go to the hospital in time, under the guidance of professional physicians.