The present invention relates to a skin external preparation composition for anti-aging containing a germinated Glycine gracilis extract as an active ingredient. More specifically, the present invention relates to a skin external preparation composition having excellent anti-aging effects by containing a Glycine gracilis extract obtained from Glycine gracilis germinated in a culture medium to which cinnamic acid is added.The use of the skin external preparation composition according to the present invention increases the expression of dermal fibroblasts synthesizing collagen, inhibits the expression and activity of collagenase, and thereby provides excellent anti-aging effects in enhancing skin elasticity and improving wrinkles.