Based on the disadvantages of the current traditional construction mode, this paper analyzes the status quo of the gradual disappearance of demographic dividend and discusses the necessity of developing prefabricated buildings. This paper elaborates the advantages of applying BIM technology to prefabricated buildings in theory. Finally, the application of BIM technology in prefabricated buildings is demonstrated by introducing the construction process of a prefabricated community project. Through the example demonstration, it can be seen that B...