A smelting furnace for smelting a nickel matte and a production method for a low nickel matte. The smelting furnace comprises: a first region (1) for melting and slagging an object to be smelted; a second region (2) for carrying out reduction and sulfidation on the object subjected to melting and slagging in the first region (1), so as to generate a target product; and a third region (3) for separating the target product, wherein the first region (1), the second region (2) and the third region (3) are communicated with each other, and a partition wall (7) is provided between the first region (1) and the second region (2) to separate the first region (1) and the second region (2); the smelting furnace comprises a first furnace body (20) and a second furnace body (30) which are independent of each other; the first furnace body (20) and the second furnace body (30) are arranged corresponding to the first region (1) and the second region (2); uptake flues for jointly discharging smoke are provided above the first region (1) and the second region (2).