The city-operating-conception was put forward as an inevitable result of city development in the market economy and economic globalization background.

Promote the development of town in mountainous area by city operation concept;

Ascertain of urban management and operation along with basal theory;

To Construct the city balance sheet to enhance the standard of city management;

The research to the core competitive ability in city management;

Strategy and innovation of city management in time of acceleration of urbanization;

Persisting in operating city road & prompting the urbanization process continuously;

Due to the disadvantages of present financing channels,for energy-saving retrofit of existing residential buildings,the idea of operating city was introduced.

the essay introduces in chief intrinsic meaning and importance of sustainable development ,and introduces the necessity and importance of operating city in sustainable development.