Xylose Oligosaccharide is the best functional oligosaccharides found at present, which has the characteristics of inhibiting pathogenic bacteria, preventing and controlling diarrhea, constipation and enhancing the immune force of the body. Most of the raw materials are corn cob and straw, and its thick yellowish brown not only affects the appearance, but reduces the nutrition of the sugar solution itself.Ion adsorption method has remarkable effect on decolorization treatment.