On the basis of 1:50000 stream sediment -10-+60 mesh survey in Alpine Lake Hill Landscape of Xainza City, Tibet, this paper discussed the characteristics of stream sediment element content and combinations, element background values in ophiolite zone,element anomalies and their prospecting significance in ophiolite and sedimentary zone. The results show that, in the sedimentary zone, most elements are significantly enriched,except for such elements as Cr, Co, Ni and Hg. The characteristics of element combinations better reflect mineralization. On the contrary, in the ophiolite zone, the elements of Cr, Co and Ni show very high relationship, but the element combinations fail to reflect good mineralization; as for the elements of Au, Co, Cu, F, Zn, the positive anomalies are not obvious in the ophiolite zone. In this study, one class A anomaly and eleven class B anomalies were delineated, and two new gold mineralization spots were discovered. The anomalies are good indications of geological structures and mineral resources. Under the similar conditions of geological landscape, this method is obviously significant in revealing element geochemical characteristics and guiding prospecting.