Abstract: An ironmaking system and process of a two-section downdraft bed, including: a vertical melting furnace, where a basic combustor/gasifier is at the top, first and second inlets evenly along a side wall of the melting furnace below the basic combustor/gasifier, and the first inlet connected to coke powder/pulverized coal, air, and water vapor sources; a slag pool, at a bottom of the melting furnace; a vertical pre-reduction furnace, the top portion connected to the outlet of the melting furnace, third and fourth inlets on an upper portion of the pre-reduction furnace and connected respectively to a temperature-adjusting and tempering medium source and an iron mineral powder source, an outlet at a bottom of the pre-reduction furnace; and a separator, an inlet of the separator connected to the outlet of the pre-reduction furnace, and an outlet at a bottom of the separator connected to the second inlet through a pipeline.