Appendicitis is one of the very common acute abdominal diseases in clinical practice. The main postoperative complications of appendicitis are as follows: a. Incisional infection, because appendicitis is an acute purulent inflammation, the incision will be accompanied by bacterial residue after surgery, which can cause local purulent infection. Inflammatory intestinal obstruction, mostly seen in patients with acute gangrenous appendicitis, although the appendix is surgically removed, but the abdominal cavity will still be accompanied by more inflammatory exudate, which can cause paralytic intestinal obstruction, the patient will appear anal stop exhaustion, defecation and obvious abdominal distension symptoms, need to strengthen anti-infection treatment, low-pressure enema, oral lactulose, four mill soup and other drugs can gradually restore the peristaltic function of the intestinal tube. Third, fecal fistula, the appendix root is brittle, the feces in the colon after surgery can seep into the abdominal cavity from the appendix root to cause acute diffuse peritonitis, if the patient is not treated in time will cause infectious shock and endanger life.