Joint structure of floor deformation joint

The utility model discloses a node structure of a floor deformation joint, a deformation joint is arranged between floor structural plates, and the node structure of the floor deformation joint comprises the deformation joint, a first U-shaped pocket plate, a corner protection plate and a decorative surface layer, wherein the first U-shaped pocket plate is arranged on the top side of the deformation joint, supporting edges are arranged on the left side and the right side of the top end of the first U-shaped pocket plate, and the first U-shaped pocket plate is fixed to the top ends of structural plates on the two sides of the deformation joint through the supporting edges; the corner protection plates are of an L-shaped structure, and the corner protection plates are arranged at the connecting positions of the first U-shaped pocket plate and the structural plates on the two sides respectively. A decorative surface layer is arranged on the top side of the corner protection plate, a bonding layer or a flexible s