Abstract: With the development of information era, new service models have been continuously applied in library development. Digital library information service mode based on context awareness is mainly through the analysis of situation in the service mode to improve service efficiency and provide convenient and comprehensive information for the user, and meet the users' needs. In the field of digital library information service based on situation awareness, only by grasping the characteristics of each situation can we establish a perfect information service model and improve the efficiency of information service. This paper first described the characteristics of new information service mode and the necessity of construction, and then carried on the analysis about the detailed situations, and finally put forward the service strategies, to better meet the information needs of users and realize the function of digital library information service.