Gastric sinus polyp 1.2cm benign can be removed in the hospital, usually need to be hospitalized for 2~3 days, observation without postoperative complications can be discharged. Gastric sinus polyps refer to benign elevated lesions on the surface of the mucosa of the gastric sinus, usually categorized as adenomatous polyps and hyperplastic polyps, which may be due to Helicobacter pylori infection, genetic factors and other reasons. Gastric sinus polyp removal, usually endoscopic removal of the main, and in the operation before the need to fast for eight hours, after the operation need to be hospitalized for two to three days, observation of no post-surgical complications can be discharged home, and after that to a liquid diet. After suffering from gastric sinus polyps, the specific surgical methods and the need for hospitalization, need to be based on the patient’s specific situation after the doctor’s interview comprehensive judgment.