How long can pancreatic necrosis live cannot be generalized, but it is generally related to the degree of pancreatic necrosis, the patient’s physical condition, whether the treatment is timely and whether the treatment method is appropriate, if the treatment is poor, the survival time may only be about 24-72 hours. But if pancreatic necrosis leads to shock, the pain will not be obvious, but the situation is more serious; 2, nausea, vomiting, pancreatic necrosis causes abdominal pain, but also nausea, vomiting symptoms, vomit is usually the contents of the duodenum, stomach, and nausea, vomiting abdominal pain will not be relieved; 3, peritonitis, hemorrhagic pancreatic Peritonitis can easily cause this disease, peritonitis will have the symptom of abdominal pressure and pain, and the pain is especially wide, and it can easily cause infectious shock; 4, abdominal distension, pancreatic necrosis may cause intestinal infarction leading to abdominal distension. Therefore, pancreatic necrosis is a very serious disease that requires comprehensive treatment in a regular hospital.