Provided is an oven comprising an air guide configured to guide the flow of air discharged from a discharge passage. The oven comprises: a main body having an open cavity; a door for opening and closing the oven cavity; a handle disposed on the upper portion of the front surface of the door; an air blower fan disposed on the top of the oven cavity so as to blow air suctioned from the outside of the main body; the discharge passage configured to discharge the air suctioned by the air blower fan to the outside of the main body; and the air guide disposed on one end of the discharge passage so as to divide the flow of air discharged through the discharge passage into an upper portion and a lower portion.