Abstract: In this paper, bentonite is taken as the object of study and bentonite products standardization is carried out.According to the existing bentonite standardization, the application and development of bentonite in building materials, engineering, agriculture and animal husbandry is described.On this basis, the current domestic standardization of bentonite products and geosynthetic clay liner is described in detail and the existing problems of bentonite standardization are analyzed.Finally, the constructive suggestions of bentonite standardization system are suggested.