Building construction fence convenient to clean

The building construction fence convenient to clean comprises supporting columns, a fence plate is fixedly connected between the two supporting columns, a mechanism convenient to clean and replace is fixedly installed in the supporting columns, and the mechanism convenient to clean and replace at least comprises a sliding groove, a cleaning screw rod, a sliding block and a cleaning block. A sliding groove is formed in one end of the supporting column, a cleaning screw rod is arranged in the supporting column, and a sliding block is arranged in the supporting column. The cleaning device is scientific and reasonable in structure and safe and convenient to use, through the arrangement of a mechanism convenient to clean and replace, the time for fixing the cleaning block is shortened, and the cleaning efficiency is improved. According to the device for cleaning the surface of the breast board, the time for cleaning the surfaces of the breast board and the placing plate is shortened, the efficiency for cleaning th