The main causes of atrophic gastritis are Helicobacter pylori infection and other gastric mucous membrane damage factors, treatment for the causes of atrophic gastritis is possible, as follows: 1. Helicobacter pylori infection: the most important cause of atrophic gastritis, and for the treatment of Helicobacter pylori, at present, the clinic mostly adopts the quadruple drug, a proton pump inhibitor such as omeprazole, etc., plus a bismuth agent such as bismuth potassium citrate, etc., and then add two kinds of antibiotics such as amoxicillin and metronidazole. The condition will improve after H. pylori is controlled. 2. Gastric mucosa damage factor: mainly caused by long-term consumption of stimulating food, alcohol, or long-term use of non-steroidal anti-inflammatory drugs, you need to avoid eating foods and drugs that will induce symptoms, reduce the burden on the gastrointestinal tract, while you can choose gastric mucosa protective agents such as aluminum sulfate, bismuth potassium citrate and so on to promote the gastrointestinal tract to recover. The same disease, the patient’s physical condition is different, different stages of the disease, the treatment method is different, the above drugs should be used under the guidance of a doctor, through standardized treatment most patients can get the desired therapeutic effect.