1.In the initial stage, you may feel bloated and uncomfortable due to air accumulation in the large intestine, but it will gradually disappear after a few hours. Please do not lift heavy objects, squeeze the bus or other actions that cause increased abdominal pressure. If abdominal pain and bloating are obvious, you should tell your doctor or nurse, who will give you the appropriate treatment. 2.If there is no special, you may take general food or eat according to medical advice. 3.If there is persistent abdominal pain, or large amount of bleeding in the stool, you should tell the doctor in time to avoid accidents. 4.After biopsy or polypectomy, please rest in bed, do not exercise strenuously for three days, and do not do barium enema examination. After the polypectomy, the doctor will generally fast for 2 days and give intravenous fluids according to your condition. If there is no blood discharge and other discomfort, you can be discharged from the hospital.