PROBLEM TO BE SOLVED: To solve the problems of becoming large in width of a rice polishing machine by a quantity of a rice bran case or scattering rice bran in the middle of flowing down on a rice bran shooter to an external rice bran case, since only the rice bran case for taking out to the machine outside by receiving the rice bran from a polishing device is conventionally installed on the housing outer periphery of the rice polishing machine, in the rice polishing machine having a rice polishing hopper, a meter and a rice polishing case under the polishing device for polishing unpolished rice and having a rice chest function of taking out a predetermined quantity of polished rice to the machine outside by pulling out the rice polishing case.SOLUTION: A rice-polishing unit 12 is constituted by continuously providing a rice-polishing hopper 9, a meter 10 and a rice-polishing case 11 in order from above, and a storage part 18 formed by juxtaposing a rice bran case 13 in the width direction in the rice-polishi