Building wall deformation joint construction structure

The utility model discloses a building wall deformation joint construction structure, and relates to the field of deformation joint construction, the building wall deformation joint construction structure comprises a wall, the wall is provided with a deformation joint, one side of the deformation joint is provided with a decorative plate, the decorative plate is slidably connected with the wall through a movable connecting device, the outer surface of the wall is fixedly connected with two L-shaped plates, and the L-shaped plates are fixedly connected with the wall. One end of the L-shaped plate extends into the deformation joint, the movable connecting device comprises a connecting plate, a transverse second T-shaped groove is formed in the side, close to the connecting plate, of the L-shaped plate, the connecting plate is fixedly connected with a second T-shaped block matched with the second T-shaped groove, and a longitudinal first T-shaped groove is formed in the side, away from the L-shaped plate, of the