///The ore prospecting direction of Jinshipo ore block of Dulong multimetallic Sn-Zn orefield is to search for the successive multi-bedded ore-bearing skarn; to search into a series of Zn, Sn, Cu ore bodies, which are controlled by Tongjie—Manjiazhai ore block and Manjiazhai W ore block and the W margin has not been closed; to search for a series of interstratified detached intervals of ore-bearing bed ∈2t2, ∈2t3, which have extended to the deep part of Jinshipo ore block.