Severe acute pancreatitis is a critical clinical emergency that requires the joint management of multiple departments, but some patients still develop complications, and death may occur in about 10-15% of patients. However, there is a difference in the severity of severe acute pancreatitis. For patients with only transient failure of vital organs (cardiovascular, pulmonary, renal) (usually <48 hours), the mortality rate is similar to that of ordinary patients with mild acute pancreatitis, while the mortality rate is higher in patients with persistent failure of vital organs and in patients with fever due to necrosis of pancreatic tissue secondary to infection. The mortality rate is higher if both of these conditions are present. Therefore, patients with severe acute pancreatitis must be closely monitored daily for changes in vital signs (respiration, heart rate, blood pressure, pulse), and regular rechecking of blood, liver and kidney functions, in order to minimize the incidence of complications and reduce the mortality rate of severe acute pancreatitis.