Segmental curettage without anesthesia can be painful, and if anesthesia is given for segmental curettage, the procedure usually produces no significant pain. Most of them take 10-15 minutes, and the exact time will vary from person to person. At present, with the progress of medical level, many hospitals have carried out painless segmental curettage, after anesthesia is in a sleep state, generally do not feel pain during the operation, but also to avoid pain and discomfort in the body movements, which can also reduce the risk of uterine perforation. Of course, without anesthesia, pain can occur. Most of the segmental diagnostic scraping can be completed in 10-15 minutes, but if the patient’s cervical canal deformity, hard texture caused by cervical dilatation difficulties; blood vessel exposure is not satisfactory, the anesthesia does not go well; operation process does not cooperate with the operation, etc. may prolong the operation time and increase the risk of surgery. In these cases, more time may be needed for segmental curettage. If there are indications for segmental curettage, it is recommended to go to a regular hospital and choose a technically qualified surgeon to perform the surgery. It is also necessary to actively cooperate with the doctor before and during the operation.