Whether or not you shave in the operating room is related to the type of surgery you are having, and all surgical procedures require you to shave the area near the surgical part. Shaving body hair is also called skin preparation, generally surgical procedures need to shave body hair, do some kind of gynecological surgery or lower abdominal surgery will be skin preparation, the main purpose is to prevent bacterial infections after surgery, to facilitate the disinfection of the pre-surgery, the surgical area of the body hair need to be shaved, the advantage is that the removal of body hair can avoid the body hair in the bacterial contamination of the incision, which will affect the healing process. Body hair will grow again after shaving, for some parts that are easy to friction, such as armpit hair, pubic hair, anal hair, etc., when it grows out, it will produce friction, thus causing slight pain, which is a normal phenomenon. Shaving body hair is mainly a kind of preoperative preparation, in order to prevent the infection of the surgical area, so don’t worry, it will not cause you harm, when you prepare the skin, just cooperate with it, and if there is any discomfort, tell the doctor in time.