A display device includes a display panel, a frame positioned in the rear of the display panel, a back cover positioned in the rear of the frame, and a fastening part which is positioned between the back cover and the frame and connects the back cover to the frame. The fastening part includes a base part, a moving part which is movably connected to the base part and includes a first hook, a spring part having one end connected to the base part and the other end connected to the moving part, a handle part which is movably connected to the base part and changes a length of the spring part by a rotation of the handle part, and a connection part including a second hook corresponding to the first hook of the moving part.