There is disclosed a laundry treatment apparatus including, a cabinet comprising a laundry entrance hole configured to load laundry into the cabinet, a tub provided in the cabinet and configured to store washing water therein, the tub comprising a tub hole in communication with the laundry entrance hole, a drum rotatably provided in the tub and configured to receive the laundry loaded via the tub hole, a detergent supply unit provided under the laundry entrance hole, in communication with the tub, and configured to store detergent therein, and a water supply unit configured to supply water to the detergent supply unit.