The present invention relates to a use of a nattokinase in the preparation of a medicament with anti-aging and improved learning and memory abilities. By administrating an effective dose of the nattokinase daily, a subject possesses a lower aging score and better learning and memory abilities.本發明有關於一種納豆激酶用於製備抗老化與改善學習記憶能力的藥物之用途,以每日口服有效劑量之納豆激酶投予一受試對象,可使受試對象具有較低的老化指數與較佳的學習記憶能力。201‧‧‧長條203‧‧‧長條205‧‧‧長條207‧‧‧長條