The invention discloses a household garbage disposer. The household garbage disposer comprises a disinfectant barrel, a motor, a housing and a storage barrel, wherein a fluid discharge tube is arranged on the disinfectant barrel; a water pump is arranged on the middle part of the fluid discharge tube; the tail end of the fluid discharge tube is equipped with a spray nozzle; the motor is mounted below the housing; the storage barrel is arranged at one side of the housing; a screening plate is arranged between the storage barrel and the housing; a feeding hole is formed in the housing; an ultraviolet-ray lamp is arranged inside the feeding hole; a stirring paddle is mounted at the upper end of the motor; the stirring paddle is upwards bent; and a refrigerator is arranged on the bottom of the storage barrel. The household garbage disposer disclosed by the invention is convenient to use, is small in peculiar smell, is easy to maintain, and is safe to use.