A laundry treating apparatus includes a tub, a drum, and a rotator, wherein the rotator includes a bottom portion positioned on the bottom surface, a pillar protruding from the bottom portion toward the open surface, and a blade protruding from an outer circumferential surface of the pillar, wherein the blade includes a plurality of blades disposed to be spaced apart from each other along a circumferential direction of the pillar. The blade extends from the bottom portion toward the open surface along a direction inclined with respect to a longitudinal direction of the pillar.