On Sustainable Deveopment Of China's Citiesin The Process Of Building The City Government Functions

City is the development of human society to a certain stage of the product, and its essence is the continuous expansion of urban space, the conversion to upgrade the industrial structure, production step-by-step lifestyle changes and the continuous improvement of living standards of residents. In the creation of a harmonious society today, to promote the development of man and nature, harmony, on the need to make more rational urban development to achieve sustainable development of cities.City Government, as the urban construction and development, shaping the main body of urban functions, how complex phenomena and problems in the city to seize the crux of the problem, construction and management of cities, their functions into full play for the success or failure of sustainable urban development play a key role as well as the functions of city government to its challenges. As a result of the level of urban economic development constraints, as well as the long-term importance to the economic-oriented urban development model of the obstacles, the city government responsibilities and functions of the ambiguity of the dislocation of factors such as affect the sustainable development of cities. Sustainable urban development in the study of government functions is the city government functions into the urban sustainable development, sustainable development of the city government functions and cause problems for interpretation and analysis. Based on the concept of sustainable development point of view, the issue of government functions from the city of departure, so that cities in the context of sustainable development, and explore the development of the city government functions and laws from other countries in the world experience in the development of urban functions, analysis of government functions and city can be the relationship between sustainable development, the Government should explore how to correctly perform their functions, how the process of urban governance persist in the direction of sustainable development, how to adjust the responsible urban development strategies, development of urban planning and construction and management of the city, and to explore sustainable the development of the city government functions and scientific positioning configurations.