Anal fissure surgery usually hurts for about 7 days, due to the different physique of individuals, so the time of pain is not the same, if the symptoms of anal fissure are relatively mild, and the surgery is relatively smooth, and the positive cooperation after the surgery, the pain usually disappears in about 7 days, if the anal fissure is more serious, and also do not do a good job of post-surgery care, it may prolong the time of pain. Pain after anal fissure surgery is a normal phenomenon, if there are no other symptoms, just simple pain, usually do not need special treatment, wait for about 7 days the symptoms will disappear naturally, if the anal fissure after the pain is more serious, can be relieved by cold compresses, and if the wound is caused by inflammation, you need to cooperate with anti-inflammatory drugs for treatment. After the operation of anal fissure, you should take liquid or semi-liquid food as the main food for a short period of time, and don’t eat spicy and stimulating food, if there are bad symptoms, you should go to the hospital in time and follow the doctor’s advice to give the diagnosis and treatment.