Abstract: Urban environmental geography information system is an important branch of geography information system. It combines together computer hardware, computer network products, their applications and consumer needs to from a complete application system. Urban environmental geography information system represents not only a combination of experience and engineering, but also reflects a systematic, practical and application-oriented concept and approach in terms of environmental protection. To use the geography information system effectively to serve the environmental protection, theoretical method of geography information system were adopted in this paper to address several technical question to which attention should be paid to during the integration of urban environmental geography information system. These questions include system design, network design, application system as well as hardware and software allocation.

Key words: system integration, environmental GIS, Urban