Disclosed herein is a laundry treatment apparatus including a cabinet including an upper cover, a first side cover and a second side cover, a cover through hole formed through the upper cover, and an outlet formed in a front surface of the cabinet, a drawer including a drawer body, and a drawer panel fixed to the drawer body, a tub arranged in the drawer body, a drum rotatably arranged inside the tub, an operation part having one end rotatably fixed to the first side cover and a free end, a contact portion exposed to an outside of the cabinet and configured to move toward an inside of the cabinet and toward the cover through hole, a converter configured to move the free end, and a position sensor configured to sense a position of the free end when the outlet is closed to sense closure of the outlet.