Through the analysis on the ring of Changsha，Zhuzhou and Xiangtan urban agglomeration of new urbanization level and industrial development，and build the city produced synergistic comprehensive evaluation system，using the entropy weight method，variation coefficient method and the combination weight analysis and other methods to quantitative evaluate the city coordinated development level and coordination degree and coordinated development degree. Concludes that the level of urbanization lags behind，the industrial structure is not reasonable，and the development coordination is not enough. Put on a coordinated developmentthought of insisting on “City-Industry Integration” development guided by new urbanization，adhering to the urban cluster development pattern of “A core and a number of centers”，adhering to the construction of industrial system matched with urban functions. And puts forward regional industrial collaborative innovation，urban cluster strategic emerging industry linkage development，high-end urban function of fostering and services 3.0 development model，urban agglomeration trade industry interactive development，In order to improve the collaborative development of the urban agglomeration.