After colonoscopic polypectomy, there should be a gradual transition from a liquid diet to a general diet, and attention should also be paid to a light diet and a balanced diet. After colonoscopic polypectomy, patients usually need to fast first, in order to observe whether there are any abnormalities after the operation. During the period of fasting, the nutrients required by the body can be supplemented by intravenous infusion. If there is no abnormal symptom, the patient can start to eat, and need to gradually transition from liquid diet to general food, so that the gastrointestinal tract has some time to adapt. In terms of diet, attention should be paid to light, easy to digest and rich in nutrients, fluid diet is mainly starchy food, such as rice porridge, noodles, mixed grains, steamed bread and so on. Patients should also eat more fresh fruits and vegetables, such as kiwi, tomatoes, etc.. Pay attention to avoid the intake of cold and spicy stimulating foods, such as ice cream, chili peppers, etc., in order to prevent affecting the recovery of trauma or inducing dyspepsia, which is not conducive to the health of the organism. It is recommended that patients pay attention to rest and proper exercise after colonoscopy polyp removal to ensure smooth bowel movement. If accompanied by discomfort symptoms, should promptly inform the doctor to take treatment measures.