成人气管异物较少见，而金属气管套管腐蚀折断坠入气管一支气管中实属罕见，现将我科收治的１例报告如下：患者，女，４３岁。１９８２年因甲状腺次全切术损伤双侧喉返神经，导致气促、声嘶。同年１２月，因感冒导致呼吸困难加重，在外院作了气管切开，１０天后拔管。５年后（? Tracheal foreign body is rare in adults, and the metal pipe tracheal tube falls into the tracheal tube is a rare case of erosion, now our department admitted 1 case reported as follows: The patient, female, 43 years old. In 1982 due to subtotal thyroidectomy injury bilateral recurrent laryngeal nerve, leading to shortness of breath, hoarseness. In December the same year, due to a cold caused by increased respiratory difficulties, tracheotomy in the outer court, extubation after 10 days. 5 years later (?