分析了网络管理协议和网络管理的一般模型 ,给出了集中式、分层式和分布式三种网络管理体系结构 .阐述了网络管理系统的故障、配置、性能、安全和记费管理五大功能 .利用网络管理技术 ,根据中国石油天然气集团公司网(CNPCnet)的现状设计了综合网络管理系统 ,该系统实现了对CNPCnet的故障管理、性能监控、配置管理、记费管理、安全审计和电子邮件管理 This paper analyzes the general model of network management protocol and network management, and presents three types of network management architecture: centralized, hierarchical and distributed.It also expounds the five functions of fault, configuration, performance, security and accounting management of network management system Based on the status quo of China National Petroleum Corporation (CNPC), a comprehensive network management system is designed by using network management technology, which realizes the management of CNPCnet ’s fault management, performance monitoring, configuration management, billing management, security auditing and e - mail management