Objective: to evaluate the effect of Bronchoangioembolism in the treatment of serious hemoptysisMethod: This is a clinical intervention, comparison, randomized control trial study on 130 patients (37 males, 33 females), with life-threatening hemoptysis (106 massive, 24 moderate) impossible to operate due to severe malfunction of lungs at 03 hospitals: Chợ Rẫy, Phạm Ngọc Thạch, 175 in 05 years (2004 - 2008).