The structure and property of bentonite were explained in this paper.The characteristic of bentonite and several modifying methods were reviewed.The main modification methods included activation method and additives modification method.In addition,the absorption effects of organic pollutants from wastewater by several kinds of modified-bentonite were summarized,in which the organic bentonite and compound modification bentonite had stronger adsorption with the highest removal rate of 99.6% and 99%,respective...