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胆管内瘘多是由胆管炎症、结石梗阻、肿瘤、溃疡、医源性操作等造成的胆管与其周围脏器发生联系的损伤，临床上并不多见，诊断较为困难，且极易误诊。胆管内瘘可造成其他相应脏器的功能异常甚至障碍，危险性较高，对机体危害较大，故应重视。胆管内瘘主要包括胆肠瘘、胆胃瘘、胆管气管瘘等，对其病因、临床表现、诊断及治疗进行研究可为控制及预防该病提供参考。“,”The biliary tract internal fistula is a disease of biliary tract connected with other organs sur-rounding caused by biliary inflammation,gallstone obstruction,tumors,ulcers,and iatrogenic operation.It is rare in clinical practice,and the diagnosis is difficult,which often results in misdiagnosis.Biliary fistula may cause dysfunction of other organs,which is very harmful to the body,and due attention should be paid.Biliary tract internal fistula includes biliary enteric fistula ,gastric fistula and tracheal fistula etc .,and understanding the etiological factors,clinical manifestations,diagnosis and treatment can provide basis for the control and Prevention.