Most people would think that the appendix has no role to play, but it does not. The appendix has the following functions: 1) It is a digestive enzyme that helps digestion; 2) It can secrete other active substances that promote gastrointestinal motility; 3) It contains important substances that maintain the balance of microorganisms in the human intestine; 4) It is an immune organ, and its immune function in early childhood is obvious and very important; 5) It is a probiotic storage organ, and there are many probiotics in the intestine. Probiotics exist in the intestine, and they are very useful for the human body, which can regulate the dysbiosis of the intestinal flora of patients and avoid the occurrence of intestinal inflammation. If the appendix becomes inflamed or necrotic due to septic infection, the appendix should be surgically treated in a timely manner.