Steel skirting line decorated with unembedded bolts

The invention discloses a steel skirting line decorated with unembedded bolts, which belongs to the technical field of building interior decoration. The steel skirting line includes a bottom plate, abacking plate and face plates which are arranged in order from near to far along a wall body. The bottom plate is fixed on the wall body at a groove by expansion screws; one side of the bottom plate away from the wall body is fixedly provided with nuts; axial lines of the nuts are perpendicular to the bottom plate; the backing plate and the face plates are fixed as an integral structure; the backing plate is provided with bolt holes; the face plates are provided with bolt counterbores; the nuts are located in the bolt holes of the backing plate and are directly opposite to the bolt counterbores of the face plates; and the face plates and the backing plate are fixed with the bottom plate as one body by countersunk screws fastened to the nuts. The steel skirting line can ensure perpendicularity of the face plates an