Acute pancreatitis patients will not have diarrhea, chronic pancreatitis patients will have steatorrhea, as follows: 1, acute pancreatitis: patients often show acute abdominal pain, abdominal pain is often more intense and persistent and not slow, mostly located in the upper middle left abdomen, or even the whole abdomen, some patients radiating to the back. The patient may be accompanied by nausea, vomiting, mild fever, abdominal muscle tension, epigastric pain, reduced bowel sounds, mild anemia on physical examination. 2, chronic pancreatitis: when the exocrine function of the pancreas is lost more than 90%, there will be pancreatic exocrine insufficiency, manifested as wasting, bloating after meals, loss of appetite, fat digestion and malabsorption, and even steatorrhea, increased daily bowel movements, feces with The feces have a foul odor and are foamy and float on the water surface, and lipid droplets and muscle fibers are visible on microscopic examination. If left untreated, it can lead to lower levels of circulating fat-soluble vitamins, resulting in rough skin, night blindness, bleeding, etc., and should be given high priority.