Objective：To investigate the causes of reoperations for patients with biliary diseases so as to decrease the reoperative rates.
Methods：The clinical data of 152 patients with repeated biliary tract operations from January 2007 to August 2010 were analysized retrosepectively to study the causes, initial operative methods,and causes and methods of reoperations.
Results：Residual (n=36) and recurrent (n=80) bile duct stones were the main causes of reoperations for patients with biliary tract diseases(116/152, 76%).Other reasons were infection of biliary tract and bile duct injuries.
Conclusions：The causes for reoperation of extrahepatic biliay tract are multifactorial; main causes of reoperations were residual and recurrent bile duct stones, however, bile duct injuries and refluxing cholangitis should also be given special attention.