The invention belongs to the field of grain processing equipment, and relates to a vertical rice polisher used for processing brown rice or rice into milled rice with embryo or high milled rice. The vertical rice polisher comprises an upper body of the rice polisher, a lower body of the rice polisher and a control system, wherein the upper body of the rice polisher comprises an upper body shell, a motor, a work spindle, a processing impeller, an upper part of a sealing device, an upper part of a power coupler, a control circuit, a control panel, a rice polishing chamber top cover and a rice guide flange; the lower body of the rice polisher comprises a lower body shell, a rice bran collecting chamber, a rice polishing chamber, a lower part of the sealing device, a lower part of the power coupler, a power module and a power switch; and the control system consists of a power supply module, a control circuit and a control panel. The vertical rice polisher has the advantages of being easy in adjustment of fine whiteness and separation of bran, easy to clean and maintain, easy to assemble and disassemble, capable of completing the processing at one time, high in germ-remained rate, modularized, small, light in weight, simple in structure, reliable in functions, stable in performance and the like.