Vehicle message data acquisition device, system and method

The invention discloses a vehicle message data acquisition device, system and method, and belongs to the field of vehicle data acquisition. The device comprises a communication module used for being connected with a vehicle-mounted network bus of a target vehicle; the acquisition module is connected with the communication module and is used for acquiring first message data of the vehicle-mounted network bus based on the data acquisition channel; and the processing module is connected with the communication module and the acquisition module and is used for configuring a data acquisition channel for the acquisition module based on the configuration information. The device is simple to operate and convenient to collect.