大咯血对生命威胁极大，其死亡率高达50％以上。我院1991年9月开始，先后在X线数字减影（DSA）下对难治性大咯血21例行支气管动脉造影和栓塞术，获得了良好的治疗效果。对象和方法一、对象（1）反复咯血6个月以上；（2）24h哈血量500ml以上，经内科治疗未能有效控制；（3）肺部 Large hemoptysis is extremely threatening to life with a mortality rate as high as 50% or more. Our hospital began in September 1991, successively in the X-ray digital subtraction (DSA) 21 cases of refractory hemoptysis underwent bronchial arteriography and embolization, access to good treatment. Objects and methods First, the object (1) hemoptysis over 6 months or more; (2) 24h blood volume of more than 500ml, the medical treatment failed to effectively control; (3) the lung