Xylo-oligosaccharide has become an important functional food base because of its unique physiological functions, which has attracted wide attention all over the world. Xylo-oligosaccharide, as one of the functional oligosaccharides with the best effect on Bifidobacterium, has great development value. Suntory Company of Japan was the first to successfully develop and put it on the market at 1989. Shandong Longli Biotechnology Co., Ltd. seized the market opportunity and jointly developed the industrial production technology of xylooligosaccharide with China Agricultural University, and passed the national scientific and technological achievements appraisal organized by the Ministry of Education in April 20001.