A laundry treating apparatus includes a cabinet, a water tub provided inside the cabinet, and a detergent box to supply detergent to the water tub. The detergent box includes a housing connected to communicate with the water tub, a drawer having a plurality of detergent storage spaces and received in the housing to be drawn out, and a distribution unit to distributively supply wash water into the plurality of detergent storage spaces. The housing may include a through portion communicating with the water tub, a horizontal partition protruding above the through portion and disposed in a left and right direction, and a wash water guide unit to guide the wash water so that a plurality of wash water movement paths is defined at a front region of the horizontal partition. Accordingly, detergent residue at an inner front region of the housing can be suppressed.