Abstract: Objective To investigate the clinical efficacy and adverse reactions of bronchial artery embolization in the treatment of hemoptysis.Methods The clinical data of 145 patients with hemoptysis were retrospectively analyzed,including 84 with bronchiectasis,35 with pulmonary tuberculosis,12 with lung cancer,9 with pulmonary infection,and 5 with unexplained hemoptysis.Bronchial artery embolization was performed with different embolization agents.The therapeutic efficacy of embolization was evaluated.Results The total effective rate in the 145 patients with hemoptysis was 93.1% (135/145),and the recurrence rate was 6.9% (10/145).There were 15 cases of fever and 10 of chest pain after the operation,and the patients were recovered in 2-3 d after symptomatic treatment.Conclusion Bronchial artery embolization is effective in the treatment of massive or recurrent hemoptysis.According to the etiology and vascular condition,individualized selection of embolization agents may improve the success rate of embolization and reduce complications.