This paper introduces the BIM ( Building Information Modeling) technology in the design of structuralworking drawing to overcome the bottleneck of the structural design.In the investigation,first,the BIM data requirementsand description methods are discussed.Then,a BIM model for structural design is established based onthe IFC ( Industry Foundation Classes) and is verified by using a BIM-based prototype system for structural drawingdesign in a test project.The results show that the BIM-based design of structural working drawing is the developmenttrend of structural design in China because it can improve the efficiency and quality of structural design greatly,and that the BIM-based structural design needs a series of BIM software to work cooperatively and is not a maturetechnology due to the existence of technical and social obstacles,so that the promotion by all social parts are necessary.