The natural capacity of the sucrose element-sweetening agent is extremely stable. Its sweet taste is invariable in the making process of the Pakistan fungus, antiseptic and the super high temperature food and baked roasts and so on. In addition, even the sucrose element-sweetening agent can maintain its characteristic in the long-- guaranty food and even also reserve its sweetness and stability in low PH value shelf food. Moreover, the sucrose element-sweetening agent does not contain heat, so it will not cause the dental caries