Abstract: A cat litter box, including a main body, a moving part and a mounting part, wherein the main body includes side walls, a linear slot is disposed in each of the linear slots, and a traveling rack and a first lift driving rack are disposed in the linear slot; a driving motor and a shaft part are disposed on the moving part, the driving motor is connected with a traveling gear, the traveling gear is meshed with the traveling rack, the shaft part is rotatably disposed on the moving part, a transmission gear and a lift driving gear are disposed on the shaft part, and the transmission gear is meshed with the first lift driving rack; and the mounting part is disposed on the moving part in a liftable way and is connected with rake teeth, and a lifting rack is disposed on the mounting part.