Abstract: Reasearch on the fault zone hydrogeology is a fundamental task for site evaluation of the geological disposal of radioactive waste. Much attention should be paid to study the controlling influence the geological structure on the regional and site groundwater seepage. Based on the extensive domestic and foreign literature, this paper outlined the characteristics, research techniques, study scale of the fault zone permeability structure. And it could be helpful for the hydrogeological evaluation of Radioactive waste disposal site.