This article compares with the different normal system structures and develop ways, analyses government business process and its characteristics,discusses deeply about the usages of RN and PKI in DTS with the credit and security as center.

• 本文分析对比了目前国内公文流转系统的普遍采用的体系结构和开发方式,分析了政府办公业务的实际业务流程及其特点,以公文流转过程中的诚信与安全保障为中心,深入讨论了角色网络理论和公钥基础设施在公文流转系统的应用。