Appendectomy has also been experienced for more than a hundred years, the relative harm is mainly from the complication reaction, including the following aspects: 1, in the past after appendectomy will have appendiceal stump inflammation, appendix left longer if the inflammation has not been eliminated, some patients need a second operation; 2, some primary hospitals or junior doctors for surgery, poor hemostasis may lead to postoperative bleeding; 3, the stump of the appendix is not handled well will lead to intestinal fistula, which is a more serious complication; 4, intestinal adhesions after surgery, any laparotomy may lead to intestinal adhesions, if the appendix is septic adhesions are relatively heavy, intestinal adhesions further development is intestinal obstruction; 5, common incision infection, because the appendix septic perforation during surgery, pus if contaminated to the surgical incision, it is easy to lead to incision infection, especially obese patients are easy to lead to fat liquefaction infection.