Building facade decoration structure

The utility model relates to a building facade decoration structure, and belongs to the field of building construction, the building facade decoration structure comprises an X-like mechanism arranged on a building facade, the X-like mechanism comprises a central column, two supporting columns are fixedly connected to the peripheral surface of the central column, the middles of the two supporting columns are fixed to the central column, and the two supporting columns are arranged in an X-like shape; the two ends, away from the center column, of the two supporting columns are fixedly connected with supporting blocks correspondingly, and the ends, away from the center column, of the supporting blocks are slidably connected to the building facade. According to the X-like mechanism for the building facade, the attractiveness of the wall facade is improved, the two supporting columns are fixed through the springs and the sliding blocks, the supporting columns are convenient to disassemble and replace, and the X-lik