The main cause of life-threatening severe pancreatitis is shock, the second is multi-organ failure, in addition to a severe pancreatitis will cause a lot of complications, as follows: 1, shock: the cause of shock is mainly caused by systemic inflammatory response syndrome, will make the body’s vascular expansion, expansion will cause shock, blood pressure is not up, the internal organs do not get blood supply, there will be a very serious state of 2. Multiple organ failure: There are some very important organs in the body, such as the heart, lungs, kidneys, brain, nervous system, once the function of these important organs fails, it will immediately put the patient’s life at risk; 3. Multiple organ complications: mainly serious infection, internal bleeding, and some These complications can also cause serious life-threatening problems.