Disclosed is an air conditioner. The disclosed air conditioner comprises: a main discharge port formed in a housing so as to discharge air introduced through a first inlet; a first guide discharge port configured to discharge a portion of air introduced through a second inlet such that the portion of the air introduced through the second inlet is mixed with the air discharged from the main discharge port; a second guide discharge port configured to discharge another portion of the air introduced through the second inlet such that the another portion of the air introduced through the second inlet is mixed with the air discharged from the main discharge port; and a distribution device configured to adjust the flow rate of the air discharged through the first guide discharge port and the second guide discharge port.