To provide a display mounting device for mounting display to an object for mounting constituted so that a use space where articles are stored, put in and take out, or a worker can work is provided to the object for mounting and display does not contact the articles stored in the use space.

The display mounting device 2 mounts the display T to a ceiling part 13 of a floor cabinet 1 to be mounted rotatable in the horizontal direction. A use space S is provided between a center of rotation and the display T by rotation of the display T at a position estranged from the center of rotation in the direction of radius of rotation.