The present invention relates to an anti-aging skin external preparation composition containing 21-O-angeloylteasapogenol E3 component derived from green tea seeds as an active ingredient, and more specifically, an acid, a base, an enzyme, or the enzyme By containing 21-O-angeloylteasapogenol E3 component derived from green tea seeds obtained from green tea seed extract through a decomposition reaction using microorganisms that produce glycine as an active ingredient, excellent wrinkle improvement and skin elasticity It is related with the anti-aging skin external preparation composition with which the improvement effect is show played.本発明は、緑茶種子由来の21-O-アンゲロイルテアサポゲノールE3成分を有効成分として含有する抗老化用皮膚外用剤組成物に係り、更に詳しくは、酸、塩基、酵素、又は前記酵素を産生する微生物を用いた分解反応を通じて緑茶種子抽出物から得られた緑茶種子由来の21-O-アンゲロイルテアサポゲノールE3成分を有効成分として含有することにより、優れたしわ改善及び皮膚弾力向上効果が奏される抗老化用皮膚外用剤組成物に関する。