The difference between the symptoms of appendicitis and gastroenteritis is that appendicitis has the specific sign of pain in the lower right abdomen, while the location of the pain in gastroenteritis cannot be determined. Appendicitis is caused by purulent inflammation of the appendix area. Gastroenteritis is a gastrointestinal dysfunction due to microorganisms or dietary inattention, eating unclean, spicy and irritating foods, as well as heavy alcohol consumption. Appendicitis has specific signs of pain in the right lower abdomen. The main manifestation is a kind of drawing pain and hidden pain, which can be intensified in paroxysms. There is significant pressure pain in the appendiceal region of the right lower abdomen, and most of them do not have diarrhea. Gastroenteritis mainly shows symptoms of abdominal pain, diarrhea, nausea and vomiting, the location of abdominal pain can not be determined, and most of them show paroxysmal. Whether it is appendicitis or gastroenteritis, the patient if the pain and other symptoms of discomfort, should go to the regular hospital in a timely manner to identify the cause of the disease, under the guidance of a professional doctor as soon as possible to take targeted treatment, to avoid aggravation of the condition, bringing adverse consequences.