The invention provides a kitchen waste treatment device and belongs to the technical field of domestic waste treatment. According to the technical scheme, the kitchen waste treatment device comprisesa base and is characterized in that a top plate is arranged on the base, a crank connecting rod A is arranged between the top plate and the base, the crank connecting rod A drives the top plate to horizontally move in a reciprocating manner, a container is arranged on the top plate, a crank connecting rod B is arranged between the container and the base, the crank connecting rod B drives the container to horizontally move in a reciprocating manner, the bottom of the container is provided with through holes A, the top plate is provided with through holes B, a water containing tank is arranged between the top plate and the base, one side of the base is provided with a dish containing tank corresponding to the top plate, a breaking-up mechanism is arranged in the dish containing tank, and a propelling assembly is arranged on the outer side of the dish containing tank. The kitchen waste treatment device has the advantages that the solid and liquid in leftovers can be effectively separated,carbon fibers in a heating pipe transmits far infrared rays to sterilize solid, the sterilized solid can be automatically removed from the dish containing tank, and time and labor are saved.