Based on the development of university library service in China, this paper analyzes the significance of university library service innovation and transformation under the "Internet plus" environment, puts forward the problems existing in the current university library service, first expounds the necessity of university library adapting to the new technological environment to build an innovative service system under the network environment, and then from the concept, management, resources The construction of innovative service system is discussed from five aspects of technology and service. This paper focuses on the analysis of the construction of the intelligent service mode of university libraries from the perspective of innovation and puts forward reasonable suggestions in order to improve the service ability of intelligent libraries and provide reference for people who pay attention to such topics.