There are many reasons for constipation after appendicitis surgery: 1. It may be that after appendicitis surgery there is a certain interference with the intestinal tract, the patient’s digestive function is abnormal, and when the stool is left in the intestinal tract for too long, the symptoms of postoperative constipation are easily produced. 2. It may be that the patient usually has a history of constipation, and appendicitis surgery has a certain interference with the gastrointestinal tract during anesthesia and surgical operations, which may aggravate the severity of preoperative constipation. The degree of constipation may be more difficult to defecate after surgery. In this case, it is best to improve the amount of dietary fiber food and eat as much fiber food as possible to improve the symptoms of constipation after appendicitis, and if necessary, you can also review the colonoscopy to further find the main cause of constipation, according to the cause of symptomatic treatment.