A display apparatus includes: a thin plate display device having an image display surface and a back surface; a front cover that covers an outer area and end surfaces of the display surface of the display device; and a back surface cover mounted so as to cover the back surface, the cover being divided into a plurality of parts, wherein a projecting or recessed part is provided at a plurality of places on the front cover facing the end surfaces, a recessed or projecting part is provided that is fit into the projecting or recessed part facing thereto, on the back surface cover, and a slide mechanism part is provided in which the back surface cover is formed to move in parallel along the back surface of the display device and the fitting is achieved by the parallel motion.