The mineralization sequence of regional geochemical elements lies in the statistic analysis of such parameters of element analytical data from regional geochemical samples as variation coefficients, sample number, deviations, concentration coefficients and minimum concentration coefficients by means of mathematical statistics to obtain the mineralization coefficients in the form of formula quantification, thus determining regional geochemical mineralization sequence. Based on the determination of the mineralization sequence, the author has found that W, Au, Bi, Sn, Pb, F, Ag and Cd constitute the major ore-forming elements (indicator elements) in the eastern segment of Qimantag area, that the Xiaomiao rock formation of Changcheng System and the Indosinian intrusive rocks are major ore-prospecting target areas, that the contact zones between the Indosinian intrusive rocks and carbonate rock-bearing strata of Jixian System, Baishahe Formation, and Carboniferous-Permian rocks are major ore-forming districts of Cu, Pb, Zn, Fe polymetallic ore resources, that Au metallogenic areas are mainly distributed in strata of Qimantag Group in central and western parts of the study area, and that the mineralization should belong to the shattered alteration rock type related to Baiganhu fault and its secondary faults. Based on regional ore-forming geological conditions and geochemical composite anomalies, the authors indicate the ore-prospecting target areas of the major ore-forming elements.