Provided is a cosmetic composition for skin protection containing Phaseolus radiatus extract of fermentation-enzyme treatment, prepared by fermenting Phaseolus radiatus with Saccharomyces cerevisiae or Lactobacillus and treating thereof with protease as an active ingredient, and a make-up method using the same. The Phaseolus radiatus extract of fermentation-enzyme treatment of the present invention contains higher isoflavone and has activities of increasing skin cell activity, alleviating skin irritation, and accelerating synthesis of skin cell protein such as collagen, so that it brings the effect of improving skin troubles caused by aging and protecting skin as well.