Disclosed is a display device, including: a wall hanging piece and comprising a hanging portion, wherein the hanging portion is plate-shaped and has a first length direction; a hanging hole provided on the hanging portion and comprising a stripe-shaped hole having a second length direction, and wherein an included angle between the first length direction and the second length direction is larger than 0 degree and smaller than 90 degrees; and a display panel comprising a display surface, a back surface, and a display frame; a suspension member provided on the back surface of the display panel, wherein the suspension member passes through a terminal end of the hanging hole of the wall hanging piece, and wherein the display frame is in close contact with the wall surface in a state that the display panel is fixed on the wall surface through the wall hanging piece.