The open access is necessary for the college network teaching resources by means of network and electronics. This article analyzes the subject, object and rights of the network teaching resources form the particularity in the form and copyright, as well as the contradiction in sharing and protection. Further more,the dynamic supervision concept is introduced to the college network teaching resource protection. This paper discusses the construction of the dynamic scheme for the college network teaching resources protection based on UCON model, and gives the formal description for the typical access control model.%高校教学资源的电子化和网络化，使得高校网络教学资源的开放存取成为现实的需要。从网络教学资源在形式、版权方面的特殊性以及在共享与保护方面的矛盾性出发，对高校网络教学资源的访问主体、客体和权利进行了分析，引入UCON（Usage Control）模型的动态监管思想，探讨构建基于UCON模型的高校网络教学资源保护的动态性方案，并给出了典型的访问控制模型的形式化描述。
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