Cervical conization surgery itself is not a large operation, it is a small operation, the operation time is relatively short, usually about 15 minutes to complete the operation. Different hospitals adopt different anesthesia methods, generally grassroots hospitals adopt anesthesia methods are mainly local anesthesia, through the gynecological surgeon, in the local surgical site injection of local anesthetics, such as Lidocaine, Ropivacaine, the patient’s experience is not particularly perfect, because the patient will also have pulling, pain feelings, the blockade is not particularly perfect. Larger hospitals now use intravenous general anesthesia under the leadership of anesthesiologists, and there are two main types of drugs used, sedative drugs, mainly propofol-based, which allows patients to be in a state of sleep, and consciousness disappears. Compound analgesic drugs, such as fentanyl, sufentanil, other morphine drugs or morphine derivatives, are used in conjunction with sedative and analgesic drugs to allow patients to achieve a painless sleep state and complete the surgery.