Spraying type dust suppression and water saving device for green building construction

The invention discloses a spraying type dust suppression and water saving device for green building construction. The spraying type dust suppression and water saving device comprises a driving seat; lower guide wheels which are symmetrically arranged at four corners of the lower end surface of the driving seat in a relatively rotating manner; an adjusting support which is vertically embedded in the middle of the upper end surface of the driving seat; a drainage and purification assembly which is transversely erected on the adjusting support, wherein the drainage and purification assembly is used for exhausting air in the surrounding environment inwards; a dust falling and spraying assembly which is transversely erected on the adjusting support and arranged opposite to the drainage and purification assembly, wherein the dust falling and spraying assembly is used for conducting atomization and dust falling on air in the surrounding environment; and a storage cylinder which is arranged in the driving seat and lo