Patients undergoing hemorrhoid surgery are generally advised to begin enemas at least 3 hours prior to the day of surgery to adequately prepare the bowel for surgery. The process of hemorrhoid surgery mainly includes, the day before the operation, pay attention to light, semi-liquid diet, the day of the operation at least 3 hours before the operation, the use of enema or enema enema, empty the intestinal tract; the day of the operation, pay attention to dietary contraindication, to avoid anesthesia reaction, or even affect the safety of the patient’s life. Select anesthesia according to the operation mode, after anesthesia to be perianal local disinfection; according to the patient’s condition to be appropriate operation mode; postoperative observation of no obvious abnormality, to be returned to the ward. Specific preoperative preparations for hemorrhoids, the doctor in charge and the nurse will explain to the patient, follow the doctor’s instructions. If there are any special circumstances or questions, you should communicate with your doctor or nurse in time to avoid any adverse phenomenon.