An operating and monitoring screen displaying apparatus according to the present disclosure selects a screen among a plurality of split display screens displaying information about a part of a process in a plant and displays the selected screen as an operating and monitoring screen. The apparatus includes a receipt unit which receives a selection of a screen to be displayed among a plurality of split display screens; a split screen display unit which displays the screen selected through the receipt unit; and a map display unit which displays a map in which process elements constituting the process are associated with display areas, and indicates, on the map, a display area associated with a process element included in the screen being displayed by the split screen display unit.