Emergency surgery is emergency surgery, divided into two cases: 1, the patient’s life is very critical, vital signs are unstable, such as abdominal hemorrhage blood pressure decreased, need to be sent to the operating room rescue. This kind of surgery is generally in the emergency department to clarify the condition, directly into the operating room to rescue, notify the ward of the duty doctor immediately into the operating room to participate in the operation. 2, some acute abdominal diseases, such as acute cholecystitis or acute appendicitis and other surgeries, there is no critical surgical emergency. Generally in a short period of time, such as two hours or three hours to quickly complete the examination before surgery, blood tests and abdominal plain film examination, electrocardiogram and other tests. When the results of the examination are all out immediately arrange for the operation to be carried out.