Abstract： Objective To invest the efficacy and complication of pre-samcal embolization of nasopharyngeal angiofibroma.Methods 12 cases with nasopharyngeal angiofibroma underwent superselective feeding arteries emboilization 1-3 days before sugery.The side effect and complication were observed.The intraoperative blood loss was recorded.Results 8 cases of nasopharyngeal angiofibroma were supplied by single-side internal maxillary artery,and 4 cases combined with ascending pharyngeal artery.The side effect included 5cases of face ache.No serious complication happened after embolization.AIIlesions were radical removed.The average intraoperative blood loss was 470 ml.Conclusion The pre-surgical embolization of nasopharyngeal angiofibroma can reduce the intraoperative blood loss and increase radical resected rate.