38-year-old simple atrophic gastritis does not affect life expectancy, if cancer occurs life expectancy and the patient’s disease status, whether standardized treatment, lifestyle and so on are related. 1. Atrophic gastritis is a benign disease and a relatively common inflammation of the stomach. Patients with this disease usually suffer from loss of appetite, indigestion, stomach pain, bloating, hiccups and other symptoms. 2. The appearance of this disease can be treated under the guidance of the doctor through oral protection of the gastric mucosa, inhibit gastric acid and promote the power of the drugs, commonly used drugs include bismuth potassium citrate, omeprazole, mosapride, etc.; if there is Helicobacter pylori infection, also with oral antibiotics for regulation, such as metronidazole, amoxicillin and so on. Generally will not affect the patient’s life. 3. If atrophic gastritis is accompanied by intestinal metaplasia or intraepithelial neoplasia, it will shorten the patient’s life, and the active eradication of Helicobacter pylori can prevent the occurrence of gastric mucosal atrophy and intestinal metaplasia to a certain extent. Patients with atrophic gastritis are usually advised to eat easily digestible, light food in their diet, and avoid spicy and irritating, cold food. In addition, patients should keep a relaxed mood, regular gastroscopy, and follow the doctor’s instructions to standardize the treatment.