In line with the development trend of digital and intelligent science and technology, we began to study equipment and facilities operation and maintenance and health management based on the Internet of Things and big data collection in 2019. Currently, the information system of equipment and facilities operation and maintenance management platform based on BIM and digital twin has been developed and successfully applied to the equipment management of Hangzhou locomotive depot. It can help users realize the visual sharing of equipment management information and intelligent management. The system can be applied to the operation and maintenance management of high-speed and EMU trains, locomotives and urban rail transit.