After gastroenteroscopic polypectomy, attention should be paid to dietary management, life management, postoperative management and other aspects. 1. Dietary management: After gastroenteroscopic polypectomy, it is usually necessary to fast for 4~8 hours, after which a liquid diet can be eaten, and then gradually transitioned to semi-liquid and normal diet. It is recommended to have a light diet, such as rice porridge, nutritious soup, etc. Avoid spicy, stimulating and greasy food. 2. Life management: bed rest is recommended after gastroenteroscopic polypectomy, premature activity may lead to local infection, bleeding, etc. Appropriate activities can be carried out for 1~2 weeks after surgery to promote the recovery of the body. 3. Postoperative management: patients and their families should pay attention to the observation of the patient’s condition after the operation to prevent complications such as delayed bleeding and infection. If there is blood in vomit, abdominal pain, fever, etc., it is recommended to inform the physician promptly for early intervention. After gastroenteroscopic polypectomy, it is recommended to follow the physician’s advice for care, and discomfort is recommended to seek timely medical attention to avoid delay.