A laundry treating apparatus comprising: a cabinet provided with an inlet; a tub providing a space in which water is stored, having a tub inlet provided on a surface headed for a direction where the inlet is arranged; a drum rotatably provided inside the tub, providing a space in which laundry is stored, and having a drum inlet provided on a surface headed for a direction where the inlet is arranged; a storage provided inside the cabinet, providing a space in which a detergent is stored; a discharge pipe configured to discharge the detergent to the outside of the storage, made of an elastic body; an insulating body connecting the inlet with the tub inlet; an inlet pipe made of an elastic body, passing through a circumferential surface of the insulating body; and a connector having one end inserted into the discharge pipe and the other end inserted into the inlet pipe to connect the discharge pipe with the inlet pipe, made of a material different from that of each of the discharge pipe and the inlet pipe, characterized in that the connector includes: a connector body of a cylindrical shape having one end inserted into the discharge pipe and the other end inserted into the inlet pipe, and a through hole provided to pass through the connector body, wherein the connector body includes a first surface and a second surface arranged to face each other, a third surface connecting one end of the first surface with one end of the second surface, and a fourth surface provided to connect the other end of the first surface with the other end of the second surface, facing the third surface, and two surfaces, which are the longest, among the four surfaces are set to be thicker than two surfaces which are the shortest. a cabinet provided with an inlet; a tub providing a space in which water is stored, having a tub inlet provided on a surface headed for a direction where the inlet is arranged; a drum rotatably provided inside the tub, providing a space in which laundry is stored, and having a drum inlet provided on a surface headed for a direction where the inlet is arranged; a storage provided inside the cabinet, providing a space in which a detergent is stored; a discharge pipe configured to discharge the detergent to the outside of the storage, made of an elastic body; an insulating body connecting the inlet with the tub inlet; an inlet pipe made of an elastic body, passing through a circumferential surface of the insulating body; and a connector having one end inserted into the discharge pipe and the other end inserted into the inlet pipe to connect the discharge pipe with the inlet pipe, made of a material different from that of each of the discharge pipe and the inlet pipe, characterized in that the connector includes: a connector body of a cylindrical shape having one end inserted into the discharge pipe and the other end inserted into the inlet pipe, and a through hole provided to pass through the connector body, wherein the connector body includes a first surface and a second surface arranged to face each other, a third surface connecting one end of the first surface with one end of the second surface, and a fourth surface provided to connect the other end of the first surface with the other end of the second surface, facing the third surface, and two surfaces, which are the longest, among the four surfaces are set to be thicker than two surfaces which are the shortest. a connector body of a cylindrical shape having one end inserted into the discharge pipe and the other end inserted into the inlet pipe, and a through hole provided to pass through the connector body, wherein the connector body includes a first surface and a second surface arranged to face each other, a third surface connecting one end of the first surface with one end of the second surface, and a fourth surface provided to connect the other end of the first surface with the other end of the second surface, facing the third surface, and two surfaces, which are the longest, among the four surfaces are set to be thicker than two surfaces which are the shortest.