IntroductionAspartame is a new-style intense sweetener of amino acid.It is a dipeptide compound composed by l-aspartic acid and l-phenylalanine. It has no after taste such as bitter, chemical and metal taste. Aspartame can enhance the flavor of fruit and reduce the bitterness of coffee. Futhermore, aspartame can decrease calories effectively, and it will not cause decayed tooth. Aspartame has the same metabolic mechanism as protein.Aspartame has many advantages such as good flavor, intense sweetness, low calories and high safety. It is widely used in carbonated beverage, jam, instant coffee, frozen milk products, chewing gum, sweetmeat, salad dressing. Aspartame also can be made into different forms, such as granule, troche, powder or liquor, and used as the substitution of saccharose into normal sweetmeats which adapt to diabetes and adiposis sufferers.ApplicationBeverage: Carbonated and still soft drink, fruit-juice and fruit syrup, yoghurt and etc.   Food: Hot and cold chocolate and beverage mixes and instant dessert, frozen novelt and dessert,chewing gum, boiled sweet, chocolate, gum and jelly and etc.Pharmaceutical: tablet, sugar-free syrup, powdered mix and effervescent tablet and etc.