widely used in some scopes, such as food additive, cosmetic, pharmacy etc. Because kojic acid and its ramification can inhibit safest the melanin growing of body-skin, its application is being more and more wide in whiten cosmetic, bath lotion, toothpaste etc. As to its actions of antiseptic、antioxidant and color-care, kojic acid also can be widely used in food aseptic、antioxidant of grease and food、antistaling agent of fruit and vegetable、and color-care antistaling agent of meat products and marine products. In addition, kojic acid can also be used in antibiotic synthetic intermediate products, agriculture plant tutelage and chemical reagent, etc .