Abstract: With the rapid development of social economy, the contradiction between energy consumption and economic development becomes more and more prominent. With the continuous expansion of the scale of modern buildings, the demand for energy becomes more and more vigorous, the government has also put forward specific requirements for the application of green energy-saving technology in industrial and civil construction projects. This paper will discuss in detail the application of green energy-saving technology in industrial and civil building projects,and further reduce the energy consumption in the use of buildings, so as to promote the green and sustainable development of China’s economy and environment.