A display device for a working machine, includes a plurality of setting boxes, each of the setting boxes including: an item display portion representing a setting item relating to the working machine； and a setting display portion representing setting information of the setting item. The plurality of setting boxes are displayed on a screen, and a setting input portion to input the setting information corresponding to the setting item of each of the setting boxes is displayed on the screen in addition to the plurality of setting boxes displayed on the screen.
