A laundry drier is provided. The laundry drier includes a base, a drying drum, a front cover, a back cover, a top cover, and side covers. The base includes an air passage in the inside of the base, and at least one discharge port for discharging air that has flowed into the air passage. The drying drum is provided above the base and receives the laundry. The front cover is mounted in front of the drying drum, and the back cover is mounted in the rear side of the drying drum. The top cover is mounted above the drying drum, and the side covers are mounted in the lateral sides of the drying drum and have at least two discharge holes.