Appendicitis in children is mainly related to the local anatomy and movement, as follows: 1. Local anatomy: compared to adults, the local anatomy of the appendix lumen of children is relatively thin, and the location is relatively free, into a funnel-shaped. After eating the formation of fecal stones, sometimes constipation, stool is not easy to discharge the body, drop a few fall into the appendix, into the can not come out, stuck here. This is a very good way to get the most out of your life. The incidence of strenuous exercise after meals can easily lead to intestinal peristaltic disturbances, resulting in stool reflux, running into the appendix, resulting in fecal imbedding, which is much higher than adults. Therefore, do not exercise strenuously after eating, and usually keep the bowels open to reduce the chances of appendicitis in children.