Abstract: The structure is composed of a base plate, a skid-proof embedding strip and one or two end embedding strips; whereon the base plate is made of copper or aluminum and is extruded to form an elongated strip, an elastic skid-proof embedding strip can be fitted therein and is fixed at one or both sides of the strip by one or two end embedding strips, such structure suits the noble marble, granite, wood block surfaces of stairs, which structure has the advantages of easy assembling, easy exchanging, changeable of its color according to the changing of seasons, and having excellent skid-proof effect.