As the metallogenic parent rocks of the Shizhuyuan large-sized rare element-nonferrous metallic deposit, the Qianlishan complex granite body is characterized by high silica, peraluminous rocks, rich incompatible elements, strong negative Eu anomalies, low sNd, and relative high (87Sr/86Sr)i, 207Pb/204Pb and δ18O values. These features suggest that the Qianlishan rock body was derived from the crustal material, thus belonging to continental crust transformation type. Furthermore, weak negative Ce anomalies and comparatively old model ages imply that the original magma was formed mainly by partial melting of the unexposed middle Proterozoic metasedimentary rocks in the study area.