Noise reduction device for green building construction

The noise reduction device for green building construction comprises a device body, the device body comprises a base, an adjusting mechanism is fixedly installed in one end of the base, a fixing plate is fixedly installed at the top of the base, and fixing blocks are symmetrically and fixedly installed on the two sides in the fixing plate; lifting adjustment can be conducted on an L-shaped rod through an adjusting mechanism, so that the L-shaped rod drives a movable plate to ascend, the height of the device body can be adjusted, use is convenient, water can be filled into a fixed plate and the movable plate through a water pump, noise reduction is conducted through combination of the fixed plate, the movable plate and water, and the noise reduction effect of the device body can be improved; and the angle of a spray head can be adjusted through a vertical rod, a sealing rubber rod and an upper pull rope, dust generated during construction can be subjected to dust falling treatment conveniently, the functions a