Qingshuijiang phosphorite deposit in Kaiyang occurs in phosphorite-bearing rock ot Y angsnm formation, Lower Sinian. By analysis the fracture and structure in the mining area, it＇ s thought the phosphorite is influenced and controlled by 3 NNW fauhs, the structural form is NE SW thrust fracture associa- tion. The main phosphorite-bearing layers are the same, ＇ triple layers＇ ore is formed by trust fault.