According to the website of Peking University Information Management Department, Peking University Information Science major is a science that studies the laws of information generation, transmission and utilization, and uses modern information technology and means to keep the information circulation process and information system in the best efficiency state. Help people make full use of information technology and means to improve the efficiency of information generation, processing, transmission and utilization. This major belongs to the first-class discipline of library information and archives management, and it is one of the trump cards of Peking University.