Abstract: This article states the origin and its meaning of city and industry integration concept, analyzes the present situation and cause of the current city and industry disconnection; It also analyzes the internal requirement of handling the city and industry integration well from three aspects of the organic connection of city and industry function, the comprehensive perfection of various local functions, the rational flow of production factors.It discusses the path to promote city and industry integration from the following four aspects:link-up of strengthen planning, supporting system of building industry, defines the function orientation of industry development, and perfects infrastructure construction.