This invention disclose a pyrite smelting process, where the pyrite autogenous oxidization reaction heat and molten slag sensible heat is fully utilized with distinct energysaving efficiency. In the oxidization stage, the valuable metals like precious metal, copper and lead are concentrated in the matte. I while some lead and zinc and metals liable to volatile under high temperature are concentrated in the dust. In the reduction stage, Zn is volatilized and concentrated in the dust. During the oxidization and smelting, most of the sulfur is volatilized and reported to the acidmaking operation with good comprehensive recover.