Disclosed is a laundry treating apparatus. The laundry treating apparatus includes a cabinet, a tub, a drum, and a detergent reservoir. The detergent reservoir has a storage space defined therein for storing the detergent therein, and has a ventilation hole defined in a top face thereof for communicating the storage space with the outside. The laundry treating apparatus further includes a flow inhibiting wall including a plurality of inhibiting walls arranged in the storage space and protruding from an inner face of the detergent reservoir to inhibit flow of the detergent towards the ventilation hole.