The invention discloses a dicing device, and relates to the field of fruit dicing equipment. The dicing device comprises two upright posts and a fixing frame mounted on the upright posts. A hopper is fixedly installed on the fixing frame and a grid-shaped dicing cutter is installed in the hopper; the dicing cutter comprises a first blade and a second blade which are arranged in a crisscross pattern; the first blade and the second blade are both provided with a plurality of notches; the first blade is fixedly mounted on the hopper, the second blade is wedged on the first blade through the notches; the upper ends of the two upright posts are fixedly provided with mounting brackets on which a driving cylinder is installed; a piston rod of the driving cylinder downwardly penetrates through the mounting brackets; a fixing plate is positioned on the piston rod of the driving cylinder, and the fixing plate is provided with a plurality of non-interconnected push rods. The invention is uniform in dicing, does not need to be manually operated, is convenient to use, and saves labor.