The groupment research field : To mine user access manners, this dissertation presents fuzzy clustering algorithm based on vote policy. It also presents user space model and builds it based on the algorithm. The element of user space model is user group. 面向大量用户的群体性领域:挖掘Web用户访问行为,把具有相似访问倾向的用户分类,提出用户空间模型,其元素为用户群。