Train tail application data acquisition device and method

The invention provides a train tail application data acquisition device and method, the device comprises a data acquisition unit, a data conversion unit and a narrowband Internet of Things NB-IoT communication unit, the data acquisition unit is connected to a train tail locomotive station at the train tail and the data conversion unit, and the data conversion unit is connected to the NB-IoT communication unit; the data acquisition unit is used for acquiring train tail application data from a train tail locomotive station; the data conversion unit is used for converting the column tail application data into target application data in a preset format; and the NB-IoT communication unit is used for sending the target application data to a train tail data center through an NB-IoT network. According to the embodiment of the invention, the train tail application data can be collected in the train tail data center in real time through the NB-IoT network, the situation that the data collection is incomplete and not ti