With the investment of social funds, exploration work was invested in the Qiyi Mountain Tungsten-molybdenum polymetallic Mine in Erjina Banner. 38 fluorite ore bodies were newly delineated, and the amount of resources was estimated to reach 2.214 million tons, which reached a large scale. The age of rock formation and mineralization was studied, the mechanism of mineralization was analyzed, and the prospecting signs were summarized.