With the development of information technology, the smart campus network tends to develop rapidly. The smart campus infrastructure is the guarantee of the smart campus platform. It provides heterogeneous communication networks, extensive IoT perception and massive data collection and storage, provides basic support for various applications of the smart campus, and provides data for big data mining and analysis support. AC-UNION can provide better solutions for the implementation of smart campus. Using "Internet of Things + Cloud Computing + Big Data", it is helpful to construct an intelligent campus learning, life, environment, teaching, scientific research, and management fully integrated to achieve intelligent campus management.