Do painless abortion surgery to hang gynecology, abortion surgery belongs to the common surgery of gynecology, only to have a baby to hang obstetrics, obstetrics for pre-pregnancy checkups, as well as the birth of the department. Painless abortion surgery, applicable to intrauterine pregnancy within 70 days of menopause, the most appropriate time for surgery, in about 45-50 days of menopause. Before the operation, ultrasound is done to determine the size and location of the gestational sac, and then blood is drawn to check the blood routine, coagulation function, pre-transfusion four items, etc., to understand the patient’s physical condition. Painless abortion requires intravenous anesthesia, and since the patient is not conscious after anesthesia, he or she cannot eat anything 6-8 hours before the operation in order to ensure the safety of anesthesia.