The present invention is a natural-friendly cosmetic composition prepared only from natural ingredients, which excludes chemical components as much as possible, skin moisturizing as well as antioxidant activity, excellent whitening function and skin-friendly skin-friendly natural extract and fermented extract And a method for preparing the same, and more specifically, purified water, a moisturizing and nourishing function mixture A, a wrinkle improvement and antioxidant function mixture B, a skin moisturizing and formulation stabilizing function mixture C, a natural product extract and a fermentation extract. Mixture D and fragrance； 17.7-18.7 wt% of the mixture A, 1.2-1.5 wt% of the mixture B, 0.1-0.2 wt% of the mixture C, 0.07-0.09 wt% of the mixture D, 0.01-0.02 wt% of the fragrance, and the remaining amount of purified water A skin antioxidant cosmetic composition containing a skin-friendly natural product extract and a fermented extract is disclosed. In addition, in the present invention, after preparing a mixture D, a mixture containing purified water, a mixture A, a mixture B, a mixture C, a natural product extract and a fermented extract, and flavoring, the purified water is added to a mixer, and then the mixture A is fixed. A first step of mixing at a weight ratio and then mixing the mixture B at 3000 rpm for 5 minutes with an AGI mixer； and adding the mixture B to the mixture of the first step at 5 rpm at 3000 rpm with an AGI Mixer. A second step of mixing； and a third step of adding the mixture C to the mixture of the second step and then mixing the mixture C for 5 minutes at 3000 rpm with an AGI Mixer； and in the mixture of the third step, Adding a mixture D, and then mixing the mixture D at 3000 rpm for 5 minutes with an AGI Mixer； And a fifth step of adding the fragrance to the mixture of the fourth step, and then mixing the fragrance with an AGI Mixer for 5 minutes at 3000 rpm for 5 minutes, wherein the skin-friendly natural product extract and the fe
