PURPOSE: A composition containing Aruncus dioicus var. kamtschaticus HARA extract is provided to ensure antioxidation, anti-inflammation, whitening, and anti-wrinkling without side effect or toxicity. CONSTITUTION: A cosmetic composition with antioxidation, anti-inflammation, whitening, and anti-wrinkling effects contains Aruncus dioicus var. kamtschaticus HARA extract as an active ingredient. The extract is a crude extract, polar solvent soluble extract, or non-polar soluble extract. The crude extract is prepared using water including purified water, spirit, C1-4 low alcohol, acetone, chloroform, methylene chloride, hexane, or a mixture solvent thereof. The non-polar soluble extract is prepared using ethyl acetate, chloroform, hexane, and dichloromethane. The cosmetic composition is manufactured in the form of a lotion, skin, nutrition cream, massage cream, essence, and pack.본 발명은 삼나물 추출물을 함유하는 항산화, 항염증, 미백 및 주름억제 효과를 갖는 조성물로서 인체에 대한 부작용이나 독성이 없으며, 항산화, 항염증, 미백 및 주름억제 효과를 나타내, 항산화, 항염증, 미백 및 주름억제 효과를 나타내는 화장료 조성물로 유용하게 이용할 수 있다.