从分析现有SCADA系统尚未解决的深层次问题入手,提出了城市燃气企业SCADA系统的功能分布结构,探讨了数据库管理系统、分布式系统网络技术、图形及人机界面系统、数据采集系统、报表及打印子系统、WEB服务系统、网络连接系统等的功能、管理和特点,并指出了发展前景。随着城市燃气事业的不断发展,功能分布的城市燃气企业SCADA系统将会在系统稳定、可靠、降低成本上大有作为。 Starting from the analysis of the unsolved problems of SCADA system, this paper put forward the function distribution structure of SCADA system in city gas enterprise, discussed database management system, distributed system network technology, graphic and man-machine interface system, data acquisition system, report And printing subsystem, WEB service system, network connection system and so on, management and characteristics, and pointed out the development prospect. With the continuous development of urban gas industry, the functionally distributed city gas enterprise SCADA system will make a great contribution to the stability, reliability and cost reduction of the system.