Enteroscopy in the end need to play anesthesia need to be judged according to the way to do colonoscopy, if you do ordinary colonoscopy, generally do not need to play anesthesia, if you do painless colonoscopy, you need to play anesthesia. Ordinary colonoscopy refers to the examiner awake state, the colonoscope from the anus inserted into the intestinal tract, at this time also need to inject air into the intestinal tract so that the intestinal tract appears to dilate, and then the intestinal lumen of the situation for observation. Although this procedure does not require anesthesia, some patients will experience pain, bloating, intestinal pulling sensation and other discomforts during normal colonoscopy. Painless colonoscopy refers to the short-acting anesthesia drug input through the vein before the colonoscopy, which can make the patient in an unconscious state for the colonoscopy, and the patient will not feel uncomfortable during the examination. Whether colonoscopy need to play anesthesia need to be based on the patient’s choice to do colonoscopy way to judge, it is recommended that patients need to do colonoscopy before the day to eat fluids, such as milk, rice soup, etc., and in advance of the fasting for about 8 hours, and oral electrolyte dispersal to do intestinal preparations, the day of the examination need to fasting.