Appendicitis surgery usually does not leave sequelae, but if the surgeon does not operate properly during surgery, or does not get out of bed in time after surgery, improper care, etc. there may be some sequelae, which are more common as adhesional intestinal obstruction, appendicular stump inflammation, etc.: 1. Adhesional intestinal obstruction: it is related to a variety of factors such as a higher degree of local inflammation, surgical injury, foreign body in the incision, and postoperative bed rest. Once diagnosed as acute appendicitis, early surgery should be performed, and early postoperative activities away from bed can appropriately prevent this symptom. Severe adhesions require surgical treatment; 2. Appendiceal stump inflammation: When the appendiceal stump is retained more than 1 cm, or when the stump remains, the postoperative stump may show inflammatory recurrence and still exhibit symptoms of appendicitis. It is also occasionally seen that the diseased appendix is not removed intraoperatively due to various factors, and it is left behind and the inflammation recurs after surgery. A barium enema fluoroscopy should be performed to clarify the diagnosis. In case of severe symptoms, the appendiceal stump should be removed by surgery again; 3. Fecal fistula: It is less common clinically. It can be caused by various factors, such as simple ligation of the appendiceal stump, detachment of the ligature, tuberculosis and cancer in situ in the appendix, and intraoperative suture laceration due to edema and fragility of the appendiceal tissue. In the early stages of fecal fistula, when it is not complicated by diffuse peritonitis, the clinical presentation is similar to that of a periappendiceal abscess, and a right lower abdominal mass can be detected. If it is a non-tuberculous or tumor lesion, etc., it can usually be closed and healed by non-surgical treatment; 4. Other: due to individual physical reasons, some patients have excessive growth of granulation tissue at the postoperative wound, forming a large scar that is slow to fade or does not fade for life. Generally, it does not affect the local function, but for some candidates, it can be removed by laser or surgery according to medical advice. Therefore, care needs to be taken after appendicitis surgery to avoid complications such as inflammation and bleeding due to wound infection. It is also necessary to pay attention to diet and supplement nutrition to promote the recovery of the patient’s body, thus reducing the chance of postoperative sequelae.