Abstract: The characteristics of mineral and grain composition, moreover,occurrent state of main valuable minerals in lead zinc tailing in southeast asia are tested.And the results indicate that sphalerite as the main kind of zinc-bearing mineral is easy to beneficiate because of its even disseminated grain size distribution,but the lead-bearing mineral is presented mainly as cerussite and anglesite with subtle disseminated grain size,so it is difficult to get a higher benefication technology target. Meanwhile, comprehensive recovery minerals of copper,silver and pyrite should be considered.