Vertical double-roller rice polishing machine is newly developed equipment for polishing and whitening to meet the needs of refined rice processing technology. It is put after the rice milling machine to make the rice shiny and no dust. The rice conflicts in the chamber and achieves an excellent appearance by adding a thin nutrient water additive. The rice indices of white degree, brightness and evenness can gain an obvious effect. The specialty of its structure can best fulfill the technical needs of flexible combination of technology for grain processing of different grades. This machine is advanced processing equipment for polishing and whitening in the country. It's convenient in installation, simple in operation.