Appendicitis is more serious than gastroenteritis. Appendicitis is a surgical acute abdominal disease caused by blockage of the appendix lumen and secondary bacterial infection, according to the type of pathology, the vast majority of them belong to acute purulent or acute gangrenous appendicitis. Currently in the clinical appendicitis once the diagnosis is clear, the need to use surgical treatment, otherwise it is easy to perforate, and even cause acute diffuse peritonitis, toxic shock, endangering the patient’s life. Gastroenteritis usually occurs in summer and fall, patients eat unclean food caused by intestinal dysfunction, manifested as intestinal spasmodic pain, there is no fixed pressure point. Clinical use of light diet, oral or intravenous infusion of antibiotics, can achieve cure without surgical treatment. Therefore, appendicitis is relatively more serious than gastroenteritis, with the possibility of serious complications.