If patients with appendicitis have pain in the appendix area after surgery, the main reasons are as follows: 1. Simple pain at the appendiceal incision, especially for patients with open appendectomy, the incision is relatively large and damaged, so pain may occur after surgery, and this pain can usually disappear in 3-4 days. 2. Abdominal abscess caused by acute appendicitis, most commonly due to acute appendicitis The periappendiceal abscess, when the condition is not controlled there is still inflammatory stimulation, so there may be pain. 3, the damage to the surrounding tissues during the appendectomy may also cause some pain. If a patient has pain in the appendix after appendicitis surgery, he or she should not be overly nervous, as there are usually no serious complications.