随着纤维支气管镜(纤支镜)性能质量的改进,它己越来越多地被应用于临床疾病的诊断和治疗。因而关于纤支镜检查所致的并发症也日渐增多,其中以支气管活检和肺活检所致大咯血为最多见和最严重。我科于1994～1998年经纤支镜注入凝血酶治疗镜下活检后大咯血8例,均取得了良好疗效,现 With the improvement of the quality of fiberoptic bronchoscopy (bronchoscopy), it has been increasingly used in the diagnosis and treatment of clinical diseases. Therefore, the complications caused by fiberoptic bronchoscopy are also increasing, of which bronchial biopsy and pulmonary biopsy caused by massive hemoptysis is the most common and most serious. Our department in 1994 to 1998 by fibrobronchial injection of thrombin in the treatment of hemoptysis after biopsy in 8 cases, have achieved good results, are