A refrigerator is disclosed. The disclosed refrigerator comprises: a body having a storage compartment arranged therein; a door for opening or closing the storage compartment; a display unit arrangedin the door; and a heat radiation unit disposed adjacent to the display unit to radiate heat, which has been generated by the display unit, through a heat radiation channel formed in the door, whereinone end of the heat radiation channel communicates with the outside through a first hole formed at an upper end portion of the door, and the other end of the heat radiation channel communicates withthe outside through a second hole formed at a lower end portion of the door.