Intestinal rupture belongs to a kind of acute abdomen, patients often show acute severe abdominal pain, pain quickly spread to the whole abdomen will occur peritoneal inflammation, and accompanied by chills, fever and other symptoms, abdominal pressure pain and rebound pain are typical signs. The most simple and effective auxiliary examination method is abdominal fluoroscopy, which can detect subdiaphragmatic free gas or lateral abdominal free gas, and abdominal plain film if necessary. Ultrasonography and abdominal CT are useful to rule out injuries to substantial organs. Routine blood tests can reveal a significant increase in leukocytes and neutrophils, and diagnostic abdominal puncture can extract turbid fluid and intestinal contents. If the patient’s clinical manifestations and signs as well as auxiliary examinations are consistent with the above characteristics, it can be judged that there is intestinal rupture.