By analyzing the regional geology and the geological features of antimony deposit in Kouzixia area of Lintan County, the antimony mineralization in this area has been summarized. It is pointed out that the antimony exist within calcareous sandstone, sandy slate and siltstone in the third lithologic member of Middle Triassic Series, the ore body is obviously controlled by lithostrata, structures and hydrothermal alteration. The antimony soil anomalies are under control of the composite area between nearly EW-striking and NW-striking structures, and it is direct indicators for prospecting.