Construction dust falling device

The utility model relates to the technical field of dust falling devices, and discloses a construction dust falling device, which comprises a device main body, the device main body comprises a device base, a placing base and a water storage tank body, the bottom end of the device base is provided with a moving wheel body, and the water storage tank body is provided with an adding water pipe. Through the arrangement of the connecting rod, the motor body, the water pump, the water pumping pipe, the water conveying pipe and the spray head body, by adopting the design, in actual use, the device can carry out 360-degree dust falling work through cooperation of the spraying mechanism and the rotating mechanism, specifically, the water pump is started, water in the water storage tank is pumped into the spray head body, and the water in the water storage tank is pumped into the spray head body; and water mist is sprayed through the spray head body, the motor body is started, and the spray head body rotates, so that t