A peripheral image display device for displaying a peripheral image around a construction machine including at least two imaging units capturing the peripheral image around the construction machine; an image combining unit that combines at least two images obtained from the at least two imaging units to form a single projection image, the at least two images including an overlapping area overlapping between the at least two images; a guideline setting unit that sets a guideline, which includes at least two color information pieces, on the projection image formed by the image combining unit at a position a predetermined distance apart from the construction machine; a guideline generating unit that generates the guideline on the projection image based on setup information obtained by the guideline setting unit; and a display unit that displays the projection image having the guideline generated by the guideline generating unit on a screen.