Abstract: The rapid development of Internet technology has made digital library become an important dimension of modern library. To provide readers with more quality information processing and organization service has become an important direction for the development of library. Therefore, personalized recommendation system based on readers’ interests and habits came into being. The personalized recommendation service of digital Library included customization service, personalized push service and data mining and decision-making service. The personalized service required appropriate system to achieve its functions, including users’ behavior data collection module, users’ interests and preference data analysis module, algorithm and recommendation model module. Modern intelligent search technology, data mining technology and information push technology provided technical supports for the implementation of digital library’s personalized recommendation system.

Key words: Digital library