There are many reasons for polyps in the stomach, usually related to the following: 1, long-term repeated inflammation stimulates the proliferation of gastric mucosal epithelium; 2, patients may have genetic variants that cause atypical hyperplasia of the mucosa or even the occurrence of adenomas; 3, gastroenterology often use PPI drugs that inhibit gastric acid, which are reported in the literature to be related to the occurrence of gastric polyps; 4, infection by Helicobacter pylori. The vast majority of gastric polyps do not have any symptoms, and the symptoms are mainly related to the size and type of polyps. The most common clinical polyps are fundic glandular polyps and hyperplastic polyps. These polyps do not exceed 1 cm in size and patients can have no symptoms. The vast majority of patients with symptoms of gastritis or functional dyspepsia undergo gastroscopy and have polyps found at the same time.