Abstract: In recent years, with China's economic development and social progress, China's construction engineering industry has reached a new level. Based on the important advantages of BIM technology in construction engineering cost management, its application in China's construction engineering industry The scope is getting wider and wider. To this end, this article makes a simple analysis from the application characteristics of BIM technology in construction engineering cost management, problems in construction engineering cost management and the application of BIM technology in construction engineering cost management, in order to improve the level of construction engineering cost management, Save engineering costs.