An information-sharing system (12) acquiring an image taken by a camera (51) from a working vehicle (13) including a working apparatus (3), the camera (51) supported by the working apparatus (3), and a sensor (53) for acquiring coordinates of the camera (51), comprising a control apparatus (80); a plurality of displays (59); and an information input section (59) for inputting information to be displayed on the displays (59), wherein the control apparatus (80) acquires a work range of the working vehicle (13) from the working vehicle (13), acquires coordinates of the camera (51) from the sensor (53), displays the map information in the work range on all the displays (59), and displays the image taken by the camera (51) on an area on the map information having the same size as an imaging area of the camera (51), the area being a coordinate position of the camera (51) on the map information.