When President Xi Jinping came to Sichuan for an inspection, he first put forward the major proposition of "Park City", and deeply answered the fundamental questions of what kind of city to build in the new era, how to build a city, and so on, to construct a new paradigm for planning and promoting urban development in a new historical position. From the perspective of combining theory and practice, this paper expounds the time position, historical heritage, main connotation and advancement path of park city construction.