Pancreatic external fistula extraction is not necessarily a recovery. Early treatment of external pancreatic fistula is based on drainage of pancreatic fluid, and after drainage, patients who fail to heal on their own for a long time will also need surgical treatment. Extrapancreatic fistula refers to a pathological phenomenon in which the main pancreatic duct and its branches rupture, causing pancreatic fluid to flow out of the body, caused by pancreatic diseases, surgery and trauma. Patients may present with symptoms of persistent abdominal pain, abdominal distension, fever, and in severe cases, ascites, pancreatic pleural fluid, as well as complications such as infection, hemorrhage, and gastrointestinal perforation. For patients with pancreatic fistula combined with local infection, it is feasible to drain pancreatic fluid or pus by percutaneous drainage, carry out bacterial culture and drug sensitivity test, and adjust the anti-infective drug treatment according to the culture results. Pancreatic external fistula drainage tube is generally in the drainage fluid is not abnormal, pancreatic surgery 2 ~ 3 weeks after removal. After drainage, those who can not be healed by themselves for a long time need to take surgical treatment, such as fistula resection, fistula jejunum internal drainage, and so on. The specific time and operation of extrapancreatic fistula extraction need to be evaluated by the doctor for aseptic operation, and the patient should not remove it by himself, so as not to cause serious effects. At the same time, patients with external pancreatic fistula need to pay attention to the cleanliness and hygiene of the wound, and regular review.