Disclosed is a laundry treating apparatus including a cabinet, a drawer including a drawer body, a drawer cover, a first detergent flow channel, and a first detergent supply hole defined to penetrate the drawer cover, a tub including a tub body disposed inside the drawer, a tub cover for forming a top face of the tub body, and an exhaust hole penetrating the tub cover, a drum rotatably disposed in the tub, a discharge flow channel, a dispenser including a flow channel body fixed to the drawer, a first water supply flow channel defined in the flow channel body, an exhaust flow channel defined in the flow channel body, a flow channel cover, and a cover through-hole connected to the exhaust flow channel, a first connection pipe, a first flow channel water supply pipe, and a tub exhaust pipe for connecting the exhaust flow channel with the exhaust hole.