Hysteroscopic scraping of the lining, there may be slight abdominal pain after the operation, usually lasts for 2~3 days, due to the different severity of the disease and individual differences can not determine the exact time. Hysteroscopic scraping may stimulate the contraction of the uterine body, so if the patient is sensitive to pain, there may be hidden pain in the lower abdomen, vaginal bleeding and other discomforts after the operation, with the repair of the uterine lining, the patient usually 2~3 days after the operation symptoms can be gradually relieved, but due to individual differences and different degrees of pain sensitivity, the specific time can not be determined. Hysteroscopy can clearly observe the situation in the uterine cavity, diagnose and treat diseases in the uterine cavity. Hysteroscopic diagnostic scraping surgery is suitable for the treatment of endometrial polyps, endometrial hyperplasia, submucosal fibroids, uterine adhesions, and uterine longitudinal septum. If the symptoms such as abdominal pain and vaginal bleeding persist for 1 week without significant improvement or aggravation, the patient should go to the gynecology department of a regular hospital, improve the ultrasound and other related examinations, and then take active treatment after clarifying the cause.