Objective To investigate the influence of early intestinal dysfunction on late pancreatic infection in patients with severe acute pancreatitis( SAP) to provide a help for its clinical diagnosis and treatment. Methods A total of 110 SAP patients received and cured between January 2012 and January 2016 were served as research objects in whom with or without late secondary pancreatic infection were respectively set as observation group( n = 56) and control group( n = 54).All patients had early intestinal dysfu...