A laundry treatment apparatus is disclosed. A laundry treatment apparatus includes a cabinet, a drawer retractably provided in the cabinet and defining an introduction port, a tub body provided in the drawer, the tub body defining a space for receiving washing water and having an open upper surface, a drum rotatably provided in the tub body, the drum defining a space for receiving laundry and having an open upper surface, a tub cover defining a tub introduction port that provides a passage from the introduction port to the drum, the tub cover being coupled to the upper surface of the tub body, a door rotatably hinged to the tub cover and configured to open and close the tub introduction port, and a sealing unit that is configured to provide a seal between the door and the tub introduction port.