The edible part of defatted rice bran was removed by degreasing with saponification and washing with water.The rice bran fiber was modified by physical crushing and enzyme technology.The final product contained ash 2.4%,protein 34.8%,fat 0.5%,crude fiber 22.2%,carbohydrate 35.1%;organic solvent residue reduced from 37.22μg / g of the raw materials to 1.97μg / g of the product;90%~92% of the particle size of the product were below 20μm,which was exceed the limit of the sensitivity of human's tongue.The maximum size was not more than 27μm.Finally,The edible defatted rice bran was obtained with high protein and fiber,and low fat.