Stevia sugar is a natural sugar which is extracted from stevia leaves , it possess unique properties, like highly sweetness, lower calories.The sweet of the inulin is 180-450 times of the sucrose.The results showed that stevia sugar is a non-cariogenic sweetener. Broadly speaking, in all the sugar products, the stevioside can be used to take the place of cane sugar or gluside. Stevia as a natural sweetener of high sweetness low calorific value is mainly used in drinks and medicine, especially in beverage, It is also used in the frozen food, canned rood, candied fruits, spices, wine, chewing gum and toothpaste. The dosage of stevioside varies according to the difference of products. It can be determined through repeated research and experiments so as to guarantee the quality, feeling and taste of product.