Decorative part assembly, shell assembly and electronic equipment

The invention provides a decorative part assembly, a shell assembly and electronic equipment. The decorative part assembly comprises a decorative part, a first adhesive layer, a cover plate and a waterproof breathable film, wherein the decorative part comprises a base and a decorative ring; the base comprises a first surface and a second surface which are arranged back to back; the decorative ringis arranged on the periphery of the first surface in a protruding mode; a breathable space is formed in the base and penetrates through the first surface to the second surface; the breathable space is located on the inner side of the decorative ring; the first adhesive layer is located on the inner side of the decorative ring and fixedly connected to the first surface; the first adhesive layer forms a first passage communicating with the breathable space; the cover plate is fixedly connected to the surface, deviating from the base, of the first adhesive layer; a first gap is formed between the peripheral side face of