With the rapid development of 5G technology, network control also brings challenges of security and privacy protection. In 5G network, a large number of personal data and sensitive information are transmitted through wireless networks, so how to ensure the security of data and the protection of privacy has become an important topic. The operation security of campus 5G communication network system plays a vital role in ensuring the teaching, management and scientific research on campus. Therefore, the campus 5G communication network security problems need to cause every school leadership and network department attaches great importance to, effectively prevent possible network security risks, not only need to improve the network security protection technology, also need to strengthen the network security education, improve the network security consciousness of all users, to effectively ensure the safe and stable operation of campus 5G communication network system.