NOVELTY - Device for generating town household small fuel gas comprises a garbage crushing conveying device that is connected with a feeding port of the packing auger and generator, the waste generator is anaerobic hydrogen generating chamber and anaerobic biogas chamber comprising reaction zone structure, crushing by anaerobic hydrogen generating chamber and anaerobic biogas chamber for anaerobic fermentation in the generator, anaerobic hydrogen generating chamber, and hydrogen and methane gas generator center penetrated nanoceramic plating film roller.    USE - The device is useful for generating town household small fuel gas (claimed).    ADVANTAGE - The reactor can start fast and has stable operation.    DETAILED DESCRIPTION - Device for generating town household small fuel gas comprises a garbage crushing conveying device that is connected with a feeding port of the packing auger and generator, the waste generator is anaerobic hydrogen generating chamber and anaerobic biogas chamber comprising reaction zone structure, crushing by anaerobic hydrogen generating chamber and anaerobic biogas chamber for anaerobic fermentation in the generator, anaerobic hydrogen generating chamber and between the anaerobic producing methane chamber is provided with anaerobic biogas room signal to the starting valve, and hydrogen and methane gas generator center penetrated nanoceramic plating film roller, the air outlet end of the nanoceramic plating film rollers are respectively connected with the hydrogen purifier and methane purifier, the fermentation to carry out purification, the hydrogen and methane after purified mixing valve controlling the gas mixed with hydrogen gas to the hydrogen storage tank to store and use; generator is installed on a base, the base or the generator is set with gravity lifting device, the lower base is provided with 360 degrees rotary universal wheel, moving and placing, the two sides of the base side of the device are provided with a bracket convenient for fixing packing auger and hydrogen purifier, or a methane purifier.