The idea of the sustainable development is proposed by analyzing the present Chongqing energy industry. Enumerated some energy technologyies and energy forms, which not only save energy but also reduce enviromental pollution. Some suggestion on the development of Chongqing energy industry is given. The main content is the following:Electricity should be developed first when developing energy industry. The government should exploit and apply the technology of the clean coal, develop equipments generating electricity with gasvapor cycle, and improve actively advanced technology of thermal power joint production and thermal power cooling joint supply. It is also necessary to make full use of natural gas in favour of developing sustainable energy industry and take advantage of three gorges area. Some useful suggestions are given at last.