In the light of geological and geophysical settings of central Inner Mongo lia and on the basis of the composite model established by the author, the two-dimensional interpretation technique is adopted to conduct prognosis of concealed ore deposits in this area. It is held that the Dongdeling area is characterized by the distribution of concealed ore-bearing rock series. The paper points out the presence of concealed copper-zinc polymetallic deposits "beneath the ore-bearing sequence-Baiyinbulagou gabbro-diabase and the jocks (a³) on the southern side of its contact zone.