Abstract: Nowdays, renewable energy sources have become important competed development fields, to which much attention has been paid and widely applied in countries all over the world.Taking an energy saving renovation project of Huazhong University of Science and Technology in Wuhan, Hubei Province, as a case, and some energy-saving technical measures were put forward, such as Active Dynamic Air Envelope, climatic adaptive window, underground cool and hot source, solar building integrated system and under floor air supply sytem, etc.Moreover, according to the building's operation and use conditions, the testing analysis was given.For realizing energy saving, land saving, water saving, material saving, environmental protection and reducing pollution, this building made the best of renewable energy sources in order to realize low energy consumption, and the technical reference was provided for promoting application of renewable energy and building energy efficiency in hot-summer and cold-winter zone of China.