Organization method for urban planning design data based on GIS

GIS and CAD are two different areas of computer technology and its applications, each is widely used in city planning, design and administration. Taking the data management of city planning in Ningbo, Zhejiang province as an example, and has loaded the basic data into database within an urban planning management information system, this paper puts forward a GIS-based organization solution and format standard of planning & design data, which follows designer's usual practice and requirements for design data prescribed by urban planning administration. It works perfectly in Ningbo Urban Planning and Design management system.