Abstract: With the rise of big data, cloud computing, Internet of things technologies, library service with reader experience oriented has been highly praised. By searching literature about RFID in library at home and abroad from 2002 to 2017, this paper tried to give briefly analysis of research status, found some common questions in RFID application and gave relative reasonable suggestions. Taking the Library of China University of Petroleum and the Library of China University of Political Science and Law for examples, it introduced the RFID project and practice, and gave the thoughts on how to make decisions on RFID construction, and on changes happened in the library business process, readers' behaviors and work mode about librarians.