The invention discloses an apple and pear core-removing and dicing device. The apple and pear core-removing and dicing device comprises a working box, wherein an electric telescopic rod is fixedly connected to the top of an inner cavity of the working box, a core-removing rod is fixedly connected at the bottom of the electric telescopic rod, and a cutter is fixedly connected with the surface of the core-removing rod; a groove is formed in the bottom of the core-removing rod, the bottom of the left side of the working box is provided with an inlet, and the inner cavity of the working box is provided with a conveying belt; and the left side of the conveying belt penetrates through the inlet and extends to the outside of the working box, the bottom of the inner cavity of the working box is slidably connected with a material receiving box, and a partition plate is fixedly connected to the left side of the bottom of an inner cavity of the material receiving box. Through the cooperative useof the working box, the electric telescopic rod, the core-removing rod, the cutter, the groove, the conveying belt, the material receiving box and a slideway, a chef can be driven to automatically conduct core removing and dicing on apples and pears, efficiency is improved, the problem that the hands of the chef are injured possibly is avoided, and great convenience is brought to usual work.