The invention relates to a novel household straw gasification furnace which comprises a pressure device, a flange used for fixing a screw rod, a deashing and decoking block device and a large furnace tooth, a small furnace tooth, a water circulation heating device and a gas-fired boiler of the water circulation heating device, wherein the structure of the pressure device is as follows: a sleeve is sleeved between a first bevel gear and the flange, the first bevel gear and the upper end of the pressure screw rod are fixedly connected, a second bevel gear is fixedly connected with one end of a rocker shaft, and the first bevel gear and the second bevel gear are mutually meshed; and a bearing is arranged behind the second bevel gear on the rocker shaft, the bearing is supported by a bearing base fixed on a furnace top cover, and the other end of the rocker shaft is connected with a rocker. The novel household straw gasification furnace provided by the invention has the advantages that the operation is more simple and convenient through each structure improvement and reconstruction, the using effect is more ideal and stabilized, the thermal efficiency is improved further, thereby also establishing a foundation for realizing automatization.