Indoor air purification and humidity adjustment device

The utility model provides an indoor air purification and humidity adjustment device, and belongs to the technical field of environment treatment devices. The indoor air purification and humidity adjustment device comprises a main control circuit (1), an air pump (2), a filtering tank (3), a filtering net (4), a water pump shower nozzle (5), an ultrasonic humidifier (6), a gas condenser pipe (7) and a filtrate collector (8), wherein the water pump shower nozzle (5) compresses the water in the filtrate collector (8) and sprays the water from the interior of the filtering tank from upper side to the lower side; the ultrasonic humidifier (6) at the upper side in the filtering tank is started for gasifying partial water. When the water mist and the water drops flow from the upper side to the lower side, the air pump (2) below the filtering tank (3) is started for compressing the outdoor air; the filtered filtrate is kept in the filtrate collector (8); the indoor humidity can also be adjusted through the control of the main control circuit; the device has the characteristics of being low in cost, low in power consumption, safe and stable, easy to clean and convenient to use.