A laundry treating apparatus is provided that may include a cabinet provided with an opening that communicates with an outside of the cabinet and an introduction port for introduction of laundry, a tub arranged in the cabinet to store washing water therein and provided with a tub introduction port that communicates with the introduction port, and a detergent supply module including a module door to open and close the opening, a container provided to, in, or on the module door or the cabinet to store a detergent, and a detergent pump to move the detergent stored in the container to the tub.