Fecha de publicación: 07/04/2020 Fuente: Wipo "IOT" The invention discloses an intelligent railway vehicle operation and maintenance system and method, and the method comprises the steps: collecting operation and maintenance data of an intelligent railway vehicle through a data collection terminal, and transmitting the operation and maintenance data to an embedded NB-IoT main control chip through a data collection interface; the embedded NB-IoT main control chip performing data conversion processing on the received operation and maintenance data; sending out the processed data through an NB-IoT communication interface, uploading the processed data to a far-end application client through an NB-IoT wireless transmission network layer, receiving a configuration parameter instruction issued by the application client, and performing corresponding configuration according to the configuration parameter instruction; and the application client receiving the data processed by the embedded NB-IoT main control chip, receiving an interaction instruction issued by a user, and issuing a configuration parameter instruction to the embedded NB-IoT main control chip according to the interaction instruction. The NB-IoT narrowband Internet of Things technology is adopted, and the method has the advantages of being low in power consumption, wide in coverage, large in terminal access capacity, low in cost and the like.