Symptoms of wound infection after hemorrhoid surgery include localized redness, swelling and hot pain, delayed wound healing, itching and other symptoms. 1. Localized redness, swelling and hot pain: Inflammatory reaction of the wound due to infection, manifested by high local skin temperature, redness, swelling and pain in the wound, and the pain will be aggravated during defecation. 2. Delayed wound healing: Infected wounds are swollen and the local tension of the wound is increased, which will easily lead to reopening of the wound after healing. Infection will cause inflammatory reaction, which will affect the normal tissue repair process at the wound site, causing delayed wound healing. 3. Itching: Normal wound healing will also have a slight itching, but the itching caused by the infection is often more intense, the patient will not be able to resist scratching, causing the wound to break. After hemorrhoid surgery, the above symptoms of wound infection should be promptly go to the hospital, timely treatment, to accelerate wound healing.