Multisystem fusion display device for train and method for implementing device

The invention discloses a multisystem fusion display device for a train and a method for implementing the multisystem fusion display device for the train. The device comprises a fusion display module and a display master control module. The fusion display module is used for providing fusion display interfaces. The fusion display module comprises more than one multi-interface display screen, and each multi-interface display screen comprises more than two display interfaces. The display master control module is used for controlling fusion display of information and comprises a data receiving unit, a display information output unit and a display control unit which are connected in sequence. The data receiving unit is used for receiving monitoring information output by a plurality of train systems used for monitoring different states of the train, corresponding information is output by the display information output unit, and the display control unit is used for controlling the display information corresponding to each train system to be fused and displayed through the display interfaces in the corresponding multi-interface display screens. The method is used for implementing the device. The device and the method have the advantages of being simple in structure, capable of meeting the requirement for display of multiple systems in the rain, small in occupied space and high in redundancy.