To provide a train information display device capable of efficiently displaying operation information of a train in response to the degree of its influence on passengers in the train.

In this train information display system which displays operation information regarding operation status of each train in a route in a car of the train, a ground system 71 sends information on influence degree influencing passengers in the train to a signal sending/receiving device 64 together with the operation information, a contents data server 65 stores in advance at least either of advertisement information or destination guide information other than the operation information displayed during normal operation as normally displayed information, instruction output devices 41 to 44 output the operation information and display instruction for displaying the normally displayed information following a display sequence corresponding to the information of influence degree received by the signal sending/receiving device 64, and the contents display devices 51 to 54 display the operation information and the normally displayed information by the display sequence which conforms to the display instruction from the instruction output device 41.

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