Dust falling device for house building construction

The utility model belongs to the technical field of dust falling devices, and provides a house building construction dust falling device which comprises a base, a dust falling box, a fan, a water tank, a pump machine, a water conveying pipe and an atomizing nozzle. The dust falling box is arranged on the base, the draught fan is connected with the dust falling box, the water tank is arranged on the base, the input end of the pump machine is connected with the water tank, the output end of the pump machine is connected with the water conveying pipe, and the end, away from the pump machine, of the water conveying pipe extends into the dust falling box. The atomizing nozzle is mounted at one end, far away from the pump machine, of the water conveying pipe; walking wheels are arranged on the lower surface of the base. According to the dust suppression device, dust suppression treatment is carried out in the dust suppression box, and water mist is prevented from being sprayed to the outside, so that the ground of