大咯血临床时可遇见，内科治疗往往效果欠佳，需要选择外科紧急手术切除，但多数病人术前出血部位不清，手术有较大盲目性，且手术创伤大，死亡率高，许多大咯血患者来不及手术便已失去治疗机会。现已证明，咯血大部分来自体循环，主要是支气管动脉[1]，因而可利用对该血管的选 Severe hemoptysis can be encountered clinically, medical treatment often ineffective, need to choose surgical emergency surgery, but most patients preoperative bleeding parts unclear, the operation has a greater blindness, and surgical trauma, high mortality, many hemoptysis Patients have lost the chance of treatment too late to surgery. It has been shown that most of the hemoptysis comes from the systemic circulation, mainly the bronchial artery [1], so the choice of this blood vessel