Doing colonoscopy does not exist to play anesthesia good or not play anesthesia good argument, the patient can choose according to their own situation, clinically, colonoscopy mainly includes painless colonoscopy and general colonoscopy, both have their own advantages and disadvantages. 1. Painless colonoscopy: painless colonoscopy will play anesthesia during the examination, through the anesthesia to paralyze the nerves, you can avoid pain during the examination, but painless colonoscopy to play anesthesia has certain disadvantages, such as in the process of playing anesthesia, it is likely that allergic reactions, such as redness, shortness of breath and so on. 2. Ordinary colonoscopy: Ordinary colonoscopy during the examination generally does not play anesthetic, the examination process is likely to stimulate the intestinal tract, causing pain and discomfort, but in the examination process the patient can always cooperate with the doctor’s examination, if there is any physical discomfort, you can stop the examination at any time, to reduce the likelihood of accidents, you can walk around slightly after the examination. If any physical discomfort occurs after the colonoscopy, it is recommended to inform the doctor in time in order to understand the condition in time and avoid delay.