Abstract: By the study on Pb isotope of shanggong、qiyugou、yaogou gold deposits and Tieluping、Songpinggou silver (lead) deposits and Xionger group、Huashan granite、Songpinggou granite, the anthor considers that the ore-forming material of Xiongershan gold deposit and silver deposit derived from Taihua group and was with the characteristics of crust-mantle mixed source. The ore-forming matcrial transfered from Taihua group to Huashan and Songpinggou granites, and deposited into orefield finally.