The invention discloses a mobile smart campus system based on the IOT (Internet of Things), and the system comprises a client, a library management unit and a learning management unit, wherein the client, the library management unit and the learning management unit are connected through a network. The library management unit comprises a book exhibition module, a book borrowing module, a two-dimensional code generation module, a two-dimensional code scanning module, a library information storage module and a library information querying module. The learning management unit comprises a learning information storage module, a fingerprint attendance machine, an assignment setting module, an assignment submitting module, an assignment scoring module, a score calculation module, a score querying module, and a teacher and student exchange module. The system carries out the network management of books borrowed by students through the library management unit, carries out the management of the attendance, assignment and scores of students through the learning management unit, provides a teacher and student exchange platform, carries out the comprehensive management of the learning and living of students in a school, is very convenient, improves the management efficiency of the school, and saves the manpower and material resources.