In the process of editing and publishing Journal of Library for nearly 30 years, we have stood at the forefront of discipline development, adhered to the aim of integrating theory with practice, and formed the characteristics of paying equal attention to forward-looking exploration and practical research, and combining theory with practical operation. Pay more attention to the needs of library workers and provide more space for discussion and exchange in practical fields. Therefore, it has been widely welcomed by the library community, and its postal distribution has always ranked first among similar publications in China.