Floor

The utility model discloses a floor, its technical scheme main points are: including the floor main part, the floor main part includes the band, the band is located the upper surface of floor main part, the adjacent through hole that is equipped with on the lateral wall of upper surface more than 1 or 1 of floor main part, the line direction that runs through direction and band of through hole is slope setting, be equipped with the support piece of looks adaptation with it in the through hole, the through hole is the polygon hole, support piece's cross section is the polygon, and through mutually supporting between polygonal support piece and the polygon hole, between the two contact surface is the plane, and when there was the trend that the fold appears on floor main part surface, the plane conflict facial features between support piece and the polygon hole had stronger anti fold and anti crackle effect to arc conflict face.