Thanks to the support of big data technology, the Internet is gradually expanding towards the Internet of Things, and further upgraded to a better experience of artificial intelligence, which is possible based on big data and artificial intelligence. Taking “Big data and artificial intelligence can be used for analysis of library users” as an example, Explore the domestic and foreign authoritative database input user behavior analysis and other keywords to find relevant literature, According to the comprehensive comparison of literature analysis method, 55 core technical documents were selected for close reading, Through the development process of technology, Clarify the core technologies and methods of user behavior personality analysis and credibility analysis and do the key expansion research, According to the literature research results combined with the needs of the actual development of the library, Exploring a set of big data analysis model of user behavior based on traditional data mining and classification learning, The model can effectively combine the user personality analysis and abnormal behavior detection to solve the above two problems.