The theory and practice of library was founded in 1979. Formerly known as Ningxia Library Newsletter, it is distributed internally from time to time. 1986 was renamed and approved for public publication at home and abroad, quarterly, and changed to bimonthly in 2000. It is a professional periodical of library science and information resource management. The magazine is determined to reform and forge ahead, always pays attention to grasping and reflecting the latest progress of industry theory and practice, and shapes its image with realism, innovation, rigor and simplicity. For five consecutive years, he has won the national excellent journals of library science, and has been selected as the core journals of national social science and information science and the database source journals of several large academic journals for many times.