Atrophic gastritis is a precancerous disease, the following points need to be noted: a. Pay attention to diet, fresh, easy to digest food is appropriate, avoid acid, cold, hard and spicy, avoid smoking and alcohol, avoid eating fried food and pickled products. Second, the treatment of drugs: 1, omeprazole or rabeprazole and other acid inhibitors (with heartburn or epigastric pain, generally less than 1 month of treatment); 2, commonly used gastric Kang, gastric Likang, gastric Deian and other gastric mucosa protective drugs; 3, commonly used morpholine, mosapride and other gastrointestinal motility drugs (abdominal distension); 4, long-term vitamins (B, C, E or multivitamins); 5, check whether there is H. pylori infection, if necessary, debridement treatment. 3. Regular review of gastroscopy and pathology (1 time per year).