Stevioside is a new typed natural sweetener extracted from thecomposite herbage ---stevia. Stevioside is a kind of good sweetenerinstead of cane sugar that can treat diabetes, hypertension partlyand can also treat adiposity, cardiovascular disease, gastritis andacid stomach as an auxiliary method. The stevioside is a stable andnon fermented substance with fresh status for a long term and nometabolism, cumulation and poison in the body, so its safety waspassed inspection of international organization FAO and WHO. Thestevioside is used widely in Japan, Korea and European and Americandeveloped nations and regions and is renowned as the third sugarresource in the world.