The present invention relates to an air conditioning device with a door opening and closing holes through which air is discharged. An air conditioning device according to an embodiment of the present invention includes: a body rear surface panel forming an appearance of a rear part and including an intake through which air flows in; a body front surface panel forming an appearance of a front part by being joined to the body rear surface panel and including vents through which air is discharged; an air-blowing module discharging the air flowing into through the intake to the vent; a guide panel formed between the air-blowing module and the body front surface panel and including the guide holes guiding the air sent by the air-blowing module to the vent; and a door unit mounted in the guide panel to be able to rotate and opening and closing the vent and the guide holes.
