本文通过对校园网安全现状的分析,列举了目前校园网普遍存在的常见网络安全问题。并针对上述问题,结合最新的网络安全技术,提出了从制定安全管理制度、保证硬件物理安全和采用多种安全技术三个方面构建安全体系结构的改进对策。 Based on the analysis of the current status of campus network security, this article lists the common network security problems commonly existing in campus network. In view of the above problems and the latest network security technologies, some countermeasures are put forward to construct the security architecture from three aspects: establishing the security management system, ensuring the physical security of the hardware and adopting multiple security technologies.