"Internet +" is one of the important development strategies implemented by China in recent years. It can promote the substantial development of the real economy through Internet thinking. This paper will analyze the practical significance of the service innovation and transformation development of University Libraries under the background of "Internet +" according to the current development situation of university library services, analyze the problems of user data and privacy, big data integration and so on in the current university library services, and propose targeted, practical and operable solutions, which have important significance and reference value for the service innovation and transformation development of university libraries.