Tea Saponin, a glycoside compound extracted from tea seeds, is an excellent natural surface active agent, It widely used in light, chemical, textile and architecture industries for emulsifier, detergent, foaming agent and foam stabilizer in foam concrete . It is a kind of yellow powder with high formality and certain hemolysis, it is insoluble in some organic solvents such as ether, acetone, benzene, petroleum ehter etc, but soluble in aqueous methanol. aqueous ethanol, butanol and warm water .