Economic evaluation of green building is an important task to promote green building. This paper evaluates the economic benefits of green building technology from the perspective of energy saving,which is conducive to a reasonable choice of energy-saving technology solutions. By analyzing the technical and economic benefits of various green building energy-saving technologies,and using the analytic hierarchy process to establish a green and energy-saving building technology economic evaluation system,it helps the decision-makers to select reasonable green building energy-saving technologies an...