Patient: Description of the condition (onset time, main symptoms, hospital visited, etc.): Mixed hemorrhoids are painful after surgery, how can I reduce the pain? Chen Shufen, Department of Anorectal Medicine, Jinhua Hospital: The main causes of anal pain after hemorrhoid surgery are: 1, low ligature position during surgery to the pain-sensitive nerve skin; 2, post-operative wound infection and edema; 3, pulling and cutting of the stitched incision sutures; 4, stimulation of the wound by dry bowel movements or excessive bowel movements; post-operative reflex pain from the pulling of the scar after the incision heals. Treatment of postoperative anal pain is mainly for the cause of treatment, find out the cause of pain, the problem will be solved.