The present invention relates to a cosmetic composition for preventing skin aging and containing Amur barberry extract as a main active ingredient, and more specifically, to a cosmetic composition containing 0.001-30.0 wt% of Amur barberry extract and having excellent skin aging effects. The cosmetic composition according to an embodiment of the present invention is characterized by having an effect of removing active oxygen.본 발명은 매발톱나무 추출물을 주요 활성성분으로 함유하는 노화 방지 화장료 조성물에 관한 것으로서, 좀 더 구체적으로는 매발톱나무 추출물 0.001 - 30.0중량%를 함유하며 노화 방지 효과가 우수한 화장료 조성물에 관한 것이다.