This paper introduces the new characteristics of network virus through the case analysis of developingShanghai Normal University campus network antivirus system. How to design and realize it in the environment ofcampus is presented correspondingly.

• 通过对上海师范大学校园网防病毒体系系统建立的案例分析,介绍了计算机网络病毒的新特征,同时介绍了在校园网环境下如何设计和实现防病毒系统。