The existing implementation experience is combined to analysis the characteristic of virtual community. A building method for virtual community trust mode is put forward based on a structured P2P network environment. 通过分析虚拟社区的特性,结合现有实现机制的相关经验,在课题信任模型研究的基础上提出了一种基于结构化P2P网络环境的虚拟社区的信任模型构建方法。