The pain of general colonoscopy can be tolerated by the general public, and the examination time usually takes 20~30 minutes to do well. General colonoscopy process may have the feeling of abdominal pain, but this abdominal pain is the vast majority of people can tolerate, for those who can not tolerate pain or pain-sensitive groups, but also in the professional anesthesiologists with the assistance of the short-term painless anesthesia can be arranged for colonoscopy. The colonoscopy is usually completed within 20-30 minutes. During the process of colonoscopy, patients will have obvious bloating sensation, so after having colonoscopy, patients should exercise appropriately, which can help reduce bloating very well. After the colonoscopy should pay attention to the diet, the diet should be based on liquid food. If you feel unwell after colonoscopy, it is recommended that you go to the hospital in time.