Disclosed is a refrigerator including a main body, a door coupled to a front surface of the main body, a bracket coupled to a front surface of the door and including a roller, a sliding plate supported on the roller and fixed to the bracket to slide in a vertical direction, a display supported on the sliding plate, and a position fixing device configured to fix a position of the sliding plate, wherein the position fixing device includes a spur gear rotatably provided on the bracket, a rack gear provided on the sliding plate and engaged with the spur gear, and a stopper configured to prevent rotation of the spur gear when the sliding plate is stopped to fix the position of the sliding plate.