Stabbing pain after having hemorrhoid surgery may be due to wound irritation or due to wound infection. Do hemorrhoid surgery, the anus will have a wound, this kind of wound can not be sutured, belongs to the open wound, due to the postoperative wound by the outside world pulling, friction, constipation and other stimulating effect, making the anal sphincter will contract, will lead to local wound stinging. After hemorrhoid surgery, due to the open wound, feces, intestinal fluids, urine and other pollutants are easy to contaminate the wound, such as improper care, so the wound may become infected, the wound once infection occurs, the local will be red and swollen, the affected area will be pain, may be tingling. After hemorrhoid surgery, you need laxative treatment, you need to disinfect the wound regularly and change the medicine, and you need sitz bath treatment, which can keep the wound clean and help the wound to heal. At the same time, regular review in the hospital, if abnormal, timely treatment, to avoid affecting the normal recovery after surgery.