An illegal attachment protecting pad is provided to prevent the illegal attachment from being adhered to the object wall since the rear paper which protects adhesive canning be detached and attached is comprised. An illegal attachment protecting pad comprises a transparent sheet(20) in which the attachment protecting bead(10) is coated the front side, a night identification paper(30) adhered to the rear side predetermined area of the transparent sheet, an adhesive coated the rear side of the night identification paper and transparent sheet, a rear paper(50) which protects adhesive canning be detached and attached.
