Gastric polyp removal is a gastroscopic excision or cautery of polyps. After surgery, infection or bleeding may occur, so we need to pay attention to the following aspects after surgery: First, observe the patient’s body temperature, stool properties and color, if there is fever or black stool, this situation should exclude infection or bleeding. Second, after gastric polypectomy, you need to fast for more than 24 hours, because eating will stimulate the polyps wound bleeding. Third, after 24 hours, cold liquid food should be the main food, and slowly turn to semi-liquid food. Fourth, if necessary, drugs to inhibit gastric acid and promote gastric mucosal repair can be used, clinically, omeprazole plus rehabilitative new liquid is commonly used. Fifth, during the fasting period, intravenous nutrition is needed to maintain the body’s energy requirements.