近年来,我国互联网发展取得令人瞩目的发展。但是随着不断发展,信息与网络安全也面临着重大的威胁。如何构筑相对可靠的校园网络安全体系问题,变得越来越突出。从校园网的自身特点出发,分析校园网络在安全方所面临的主要威胁,并就这些威胁提出一些防护措施。 In recent years, the development of the Internet in our country has made remarkable progress. But as it continues to evolve, information and cyber security are also under significant threat. How to build a relatively reliable campus network security system has become more and more prominent. Based on the characteristics of the campus network, this paper analyzes the main threats that the campus network faces on the security side and puts forward some protective measures for these threats.