Acute pancreatitis is an acute inflammation caused by pancreatic enzymes digesting the pancreas and its surrounding tissues, mainly manifesting as inflammatory edema, hemorrhage and necrosis of the pancreas, divided into acute edematous pancreatitis and acute hemorrhagic necrotizing pancreatitis (severe pancreatitis), which usually occurs in middle-aged men, with a history of overeating or biliary tract disease before the attack. The clinical manifestations are sudden onset of severe epigastric pain and abdominal distension, elevated blood and urine amylase. Edematous pancreatitis improves after fasting, enzyme suppression, acid control, and fluid therapy; severe cases can lead to vital organ failure, and treatment requires intensive care or surgery, which is difficult to treat.