Environment-friendly dust reduction device for building construction management

The utility model relates to the technical field of dust falling devices, and discloses a building construction management environment-friendly dust falling device which comprises a breast board body, a water pipe body and a spray head body, the spray head body is fixedly installed on the outer surface of the water pipe body, and a plurality of water pipe fixing piles are fixedly connected to the outer wall of the breast board body. The baffle is movably connected to the lower portion of the interior of the short plate, one spray head fixing pile is arranged between every two water pipe fixing piles, the water pipe body moves upwards from the lower portion of the baffle, the baffle shrinks and enables the water pipe body to enter the interior of the short plate, the water pipe body is fixedly installed, and the water pipe body drives the spray head body to enter the lower portion of the sealing plate; and meanwhile, the nozzle main body enters the sealing plate to be limited and fixed, the nozzle main body is