City is an architectural complex bears history and civilization. Urban planning turns out to be a grand and holy proposition. Gold Kirin utilize 3D visual reality technology to make 3D terrain model, 3D orthophoto, city street, construction and public facility models. Then, based on the idea of urban planning designers, we precisely work out the upcoming future of the city in an eidetic way. Also, it is the most direct and effective 3D blueprint.