OBJECTIVE To investigate the effect of different nutrition methods on the postoperative infections after pancreaticoduodenectomy,in order to provide evidence of preventing and reducing infectious complications after resection of pancreatic duodena.METHODS A total of 60patients underwent resection of pancreatic duodenal were selected and divided into enteral nutrition group and parenteral nutrition group based on the digital form,each group 30cases,received enteral nutrition and parenteral nutrition respecti...