A laundry treating apparatus includes a drum and a lifter disposed on an inner circumferential surface of the drum and configured to rotate with the drum. The lifter includes a lifter frame installed on the inner circumferential surface of the drum and a frame cover coupled to the lifter frame. The lifter frame includes: a frame base coupled to the inner circumferential surface; a frame upper plate having a first water flow through-hole; and a frame sidewall that connects the frame upper plate to the frame base and that defines a second water flow through-hole. The frame cover includes: a cover upper plate having a water flow discharge hole configured to discharge, into the drum, washing water having passed through at least one of the first water flow through-hole or the second water flow through-hole; and a cover sidewall that extends from the cover upper plate to the frame base.