With the rapid development of education informatization, the construction of university digital campus is accelerating, and the types and sources of educational big data are increasing. The analysis of students' learning behavior based on educational big data has gradually entered the field of vision of educators and researchers. Big data will play a very obvious role in the reform of school education. Big data has obvious advantages in improving the quality of school management and teaching and improving the evaluation methods of students' education. With the continuous progress of educational information technology, using learning behavior analysis technology to collect students' learning habits, learning process, learning results and other data can provide the basis for teachers' teaching evaluation and guidance, thus achieving accurate evaluation and guidance and improving the quality of education and teaching. This paper analyzes the value of big data generated by students' campus behavior, and then analyzes students' behavior, realizing the informationization of students' management means, improving the scientific level of students' education management, and promoting the construction of intelligent digital campus.