Based on the application characteristics of BIM Technology, this paper expounds the significance of introducing BIM technology into the practical teaching of building environment and energy application engineering specialty. The preparatory work of introducing BIM technology into the graduation project, and the application methods and phased results in all aspects of the graduation project from topic selection to defense, are all introduced in the paper, and some problems in integrating BIM technology into the practical teaching reform of the major of construction and environmental protection are pointed out. The exploration and practice of teaching reform have shown that BIM technology can be well integrated into the practice teaching of the major of construction and environmental protection, which has received good teaching effect and played a positive role.