The present invention relates to a laundry treating apparatus (100) including a cabinet (1) having an introduction opening (11) for placing in, and taking out laundry there through, a tub (2) in the cabinet (1) having a tub opening (21) in communication with the introduction opening (11), a dram (3) rotatably provided in the tub (2) to have a drum opening (31) in communication with the tub opening (21) for holding the laundry, and a drum supporter (H, L) for levitating the dram (3) within the tub (2) with repulsive force between a permanent magnet provided to the tub (2) and a permanent magnet provided to the drum (3).