Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes: a water tank storing water; a watering housing disposed inside the water tank, suctioning water of the water tank thereinto, pumping the suctioned water to an upper side when rotating, and spraying the pumped water; a watering motor providing a torque to the watering housing; and a power transmission shaft disposed inside the watering housing, connecting the watering motor and the watering housing, and delivering a torque of the watering motor to the watering housing.