Dust removal and noise reduction device for building construction

The utility model belongs to the technical field of building construction, and particularly relates to a building construction dust removal and noise reduction device which comprises a base and a dust removal box. The dust removal box comprises an outer dust removal box body and an inner dust removal box body, a sound absorption plate frame is fixedly connected between the outer dust removal box body and the inner dust removal box body, the outer dust removal box body, the sound absorption plate frame and the inner dust removal box body are jointly provided with the same air inlet, and a suction fan is fixed to an end opening of the air inlet; when dust is treated, air with dust is sucked into the dust removal inner box under the action of the suction fan, then large-particle dust in the air can be intercepted under the action of the filter plate, primary dust removal operation on the air is achieved, the filtered air enters the other side in the dust removal inner box, and then the air is discharged into the