Conclusion:ERCP is one of the most important methods to diagnos calculus of bile duct.Choledochoscopy is an effective, convenience and easy treatment for calc...

• 结论：ERCP对于胆管结石病是重要诊断方法之一,胆道镜治疗胆管结石效果好,具有准确、迅速、方便及组织损伤小的特点,可降低结石的残留率。