The present disclosure relates to a laundry treating apparatus, including a housing configured to supply laundry detergent to the tub and define an outer appearance; a storage container disposed to extend in a front-rear direction of the main body to store the laundry detergent, and mounted to the housing; a laundry detergent pump provided at a rear portion of the housing to define a movement of laundry detergent stored in the storage container; and a remaining amount sensing unit that applies a current toward an inside of the storage container to sense a remaining amount of laundry detergent stored in the storage container.