The whole process of rectal surgery is divided into preoperative preparation, anesthesia, position, disinfection, surgery, anesthesia awakening and other processes. 1. Preoperative preparation: improve the preoperative examination, patient intestinal preparation, preoperative fasting and water, skin preparation. 2. Position, transanal surgery generally choose the lithotomy position, that is, legs apart, leg braces to elevate the calf. Transabdominal surgery, lying position can be. 3. Anesthesia: general anesthesia is usually required after the patient enters the operating room. 4. Sterilization: from 20cm around the anus, gradually inward disinfection 3 times, and finally disinfect the anus, laying a sterile towel. 5. Surgery: choose transanal surgery, transabdominal resection, enteroscopic surgery, transabdominal perineal colectomy, etc. according to the condition. 6. Wake up from anesthesia: after the surgery is completed, the wound will be sutured and the patient will return to the ward safely after he/she wakes up completely in the anesthesia room. The process of rectal surgery varies according to the type of surgery used, so you can consult your surgeon.