The invention discloses a household garbage flash mineralization processor, and relates to a household garbage processor. The household garbage flash mineralization processor comprises a furnace body,a feeding system, a slag discharging system, a flue gas purification system and an electric appliance control box, the furnace body comprises a furnace wall positioned at the side part of the furnacebody and a fire grate positioned at the lower part of the furnace body, the fire grate is a movable fire grate capable of rotating by 360 degrees, the fire grate comprises a grate shell, a rotating shaft, a chain wheel, a speed reducing transmission mechanism and a pyroelectric honeycomb ceramic body and a permanent magnet, vent holes are uniformly formed in the grate shell, the rotating shaft penetrates through the grate shell, and the two ends of the rotating shaft can be rotationally arranged on the furnace body, one end of the rotating shaft is connected with the speed reducing transmission mechanism through the chain wheel; the permanent magnet and the pyroelectric honeycomb honeycomb ceramic body are arranged in the grate shell in a spaced mode, the N pole of the permanent magnet isopposite to the S pole, and are grouped interval to establish an original magnetic field. The household garbage flash mineralization processor can realize harmless and daily-production daily cleaningtreatment of garbage, and has the advantages of being safe, clean, high in efficiency, economical, energy-saving, and is very suitable for rural large-scale application.