Acute hemorrhagic-necrotic pancreatitis is a pathological change of acute pancreatitis, mainly hemorrhage and necrosis of the pancreatic parenchyma is its characteristic, the patient will have obvious saponification spots on fat necrosis in the abdominal cavity, at this time the patient will have fever, if the necrosis is accompanied by infection, it will also lead to redness, swelling and pressure pain of the skin of the waist, the bleeding of the pancreas may also have retroperitoneal seepage into the subcutis. At this time, the patient will have extensive bruising on the skin of the lower back and ribs and lower abdomen, which is caused by subcutaneous blood leakage. Early treatment is still conservative, controlling the secretion of pancreatic digestive juices while fasting, giving continuous gastrointestinal decompression, complete parenteral nutritional support, preventing shock, and then analgesia. If the necrotic tissue becomes infected or forms an abscess, surgery is required to remove the infected tissue.