Improving the comprehensive carrying capacity of cities is an important basis for realizing the sustainable development of industrial new citys Based on the analysis of the research progress，basic characteristics of the carrying capacity of industrial new citys，this paper puts forward some suggestions，such as continuously optimizing the spatial pattern，improving the balance of occupations and housing in the new citys，speeding up the integration of production and urban development，shaping the two-wheel-driven development pattern，strengthening infrastructure construction，enhancing the functions and taste of the new citys，exploring the green intensive development mode，improving the quality of economic development and flexible adaptation，etc The main ways to upgrade the carrying capacity of industrial new citys are put forward，and some countermeasures and suggestions are put forward，such as putting urban planning in the first place，carrying out comprehensive land use zoning，strengthening comprehensive management of ecological environment，and constantly innovating urban management.