The main reasons for the formation of pancreatitis include physiological and pathologic factors. 1. Physiological causes: Physiological causes generally refer to the triggers that lead to the appearance of pancreatitis, mainly including alcoholism, overeating and drug stimulation. Physiological causes can lead to increased secretion of pancreatic juice, which exceeds the limit of the pancreatic duct, resulting in increased pressure in the pancreatic duct, leading to increased exocrine secretion of the pancreas and pancreatitis. 2. Pathological causes: the main pathological causes of pancreatitis in China are of biliary origin, including cholelithiasis, biliary tract infections, biliary ascariasis and so on, which cause mechanical obstruction of the biliary tract, leading to poor pancreatic discharge and pancreatitis. In addition, pancreatic duct stones, stenosis, tumors, duodenal papillary diverticulitis, surgery, trauma, etc. can also cause pancreatitis. Pancreatitis may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.