Metro has become an important element of the transportation system in the development of a big city．This article builds a comprehensive three-dimensional simulation subway platform， so that the mass transit railway station internal facilities informationalization，visualization，networkization．The platform including Metro area road traffic，passengers and staff，equipment and facilities-related attribute data management，and response to major accidents and to seek the best path and the best rescue scheme，and so on．Metro 3-dimensional integrated platform fulfilled the society welfare of “usual service during peacetime，fast response during emergency and support in times of war”operational needs．