Abstract: This paper studied the realization goal of vehicle BIM technology in the all life cycle, defined the application scope and content of BIM technology in all stages of vehicle life cycle. By using the system frame diagram and flow chart, the paper put forward specific plans for the application of BIM technology in the all life cycle management of vehicles, the quality control of vehicle manufacturing, and the collection and processing of vehicle operation and maintenance data, so as to provide reference for the application of BIM technology in rail transit vehicles.