Tea saponin is a kind of sugar compound extracted from the seeds of Theaceae plants. It is a natural non-ionic surfactant. It has good emulsifying, dispersing, foaming and wetting functions. It has anti-inflammatory, analgesic, anti-seepage and other pharmacological effects. It is widely used in washing, wool spinning, knitting, medicine, daily chemical industry and so on. On the one hand, it can be used to clear the pond before shrimp culture, and also can be used to kill harmful fish in the process of culture. On the other hand, it can also promote shrimp molting and stimulate the growth of shrimp. At the same time, it can also kill nematodes and polyclonal insects attached to crabs, so as to treat crab diseases. In addition, tea saponin has a good effect on molluscicidal and insecticidal activities in vegetable planting industry, as well as antibacterial and antibacterial effects in livestock and poultry breeding industry. It can also be used in building materials, medicine, food and beverage, textiles, oil extraction, mining, photographing and copying, fire fighting and other industries.