A display control device according to the present invention comprises: an update request section for making an update request for updating a display on a display device; a display update section for updating the display on the display device in response to the update request from the update request section; a layout holding section for, after updating of the display, holding layout information of each of screens hierarchically displayed on the display device; a group assigning section for referring to the held layout information, and assigning screens which are displayed on the display device so as to be partially or entirely visible to one group; a group holding section for holding group information consisting of the assigned group; and a switching request section for making a list display request for displaying a switching destination screen candidate list, which shows the screens included in the held group information as switching destination screen candidates in a group unit, on the display device so as to be visible. In response to the list display request from the switching request section, the display update section further updates the display on the display device in accordance with the group information held in the group holding section such that the switching destination screen candidate list is displayed on the display device so as to be visible.