Tea saponin has strong effects of foaming, emulsifying, dispersing and moistening, as well as physiological activities such as anti-permeability, anti-inflammatory and analgesic, Therefore, it can be used to make various types of detergents, preservatives, emulsifiers, pesticides and other agents. The resin method has the advantages of good selectivity, large adsorption capacity, high mechanical strength, fast adsorption speed, good separation effect, convenient regeneration, etc. It can not only achieve the purpose of decolorization, but also the product texture is good, powder, is an ideal production process.