A display device includes a casing, a frame, a backlight module, at least one cable, and a display panel. The casing has a display opening. The frame is disposed in an inner edge of the display opening, wherein the frame has at least a cable management groove and a support surface. The backlight module is disposed on the frame. The cable is disposed in the cable management groove. The display panel is disposed on the frame and located in the display opening, wherein an edge portion of the display panel is located on the support surface, and the support surface supports the edge portion of the display panel. A part of the cable management groove is located under the display panel and at least partially overlapped with the edge portion.