A housing assembly includes a frame body, an adhesive, a cover plate, and a decorative ring. A bearing surface and a limiting surface are disposed on an inner side of the frame body. The cover plate includes a top surface and a bottom surface that are oppositely disposed and a side surface surroundingly connected between the top surface and the bottom surface, and the side surface includes a first side surface connected to the top surface and a second side surface connected to the bottom surface. The cover plate is installed to the inner side of the frame body. The adhesive is disposed between the bottom surface and the bearing surface and between the second side surface and the limiting surface. Accommodating space is provided between the first side surface and the limiting surface. The decorative ring is disposed in the accommodating space and covers the bearing surface.