Four days after the removal of gastric polyps, the stomach still hurts, may be due to trauma or disease-induced pain, which can be treated by fasting, medication and other ways. 1. Pain caused by trauma: patients with pain caused by trauma after the removal of gastric polyps, can be temporarily fasting, and intravenous drip into the proton pump inhibitors, such as omeprazole, lansoprazole, etc., and then appropriate use of antibiotics to prevent infection, such as penicillin, ceftazidime. If the patient’s pain has not been relieved, consider that the patient may be perforated, need to go to the hospital in time to deal with. 2. Disease factors: such as gastritis, gastric ulcer and other diseases caused by the need to go to the hospital in a timely manner, follow the doctor’s instructions to take acid-suppressing drugs, such as omeprazole, cimetidine, etc.; gastric mucosa protection drugs, such as aluminum hydroxide, bismuth potassium citrate, and so on. It is recommended that patients with stomach pain after gastric polypectomy should go to the hospital in time to avoid delaying their condition.