After gastroenteroscopy, if there is no special treatment, you can eat normally after you wake up from anesthesia, but the time to eat should be delayed after polyp removal and other operations, and you need to follow the doctor’s instructions. 1. If the patient only does ordinary gastroscopy and colonoscopy, and does not carry out microscopic treatment operation, then after the examination of abdominal distension, abdominal pain and other symptoms manifested by the body can eat and drink water in moderation, the general normal time to eat and there is no special time limit. 2. If the patient chooses painless gastroenteroscopy, he can eat normally only after about two hours after the examination. Because painless gastroenteroscopy requires general anesthesia for the examination, after which the patient needs to wait for complete sobriety and obvious discomfort in the abdomen before he can eat normally. 3. If you also do a biopsy or polypectomy, involving some electrocutaneous coagulation operation, and even some patients need to use hemostatic clips, etc., then the time to be further delayed, the specific time will need to follow the medical advice. After gastroenteroscopy, the specific normal eating time needs to be combined with the doctor’s regulations to choose.