A display device includes a back cover. The back cover of display device can include a plurality of limiting screw through holes arranged at intervals along an edge of the back cover of the display device and a fixing screw through hole located in the middle of the back cover of display device. A first diameter of the limiting screw through hole can larger than a second diameter of a screw rod of the limiting screw, and the diameter of the fixing screw through hole is equal to the diameter of the screw rod of the fixing screw. The back cover of display device can have a thickness between 1 mm and 1.5 mm.