Sitting pain 24 days after anal fissure resection may be related to factors such as the incision not healing, induced infection or compression of related nerve tissues when sitting. Anal fissure resection itself is a trauma to its own normal tissues, and because of the rich distribution of perianal nerves, the pressure on the perianal nerves when sitting can also produce pain. Surgery destroys the integrity of local skin tissues, plus the wound healing after anal fissure excision surgery is not all will cause sitting fissure pain. After anal fissure resection, the hygiene around the surgical incision may be poor, which induces bacterial growth and leads to secondary infection. The secondary infection may cause inflammation of the local skin, and the inflammatory reaction factor will stimulate the perianal nerves around the incision, which will make the patient feel the pain of sitting fissure. If you find sitting fissure pain after anal fissure resection, you should seek medical treatment in time, and should not take any unauthorized treatment, so as to avoid delaying the condition. Pay attention to rest on weekdays and maintain postoperative hygienic care.