A laundry treating apparatus comprising: a cabinet having a laundry inlet defined in one surface thereof; a first chamber positioned inside the cabinet to accommodate laundry therein through the laundry inlet ; a second chamber positioned underneath the first chamber to define a space separated from a space of the first chamber ; a steamer disposed inside the second chamber to generate steam and supply the generated steam to the first chamber ; a door pivotably coupled to the cabinet to open and close the laundry inlet ; and a door inner surface facing the first chamber among both surfaces of the door ; characterized by further comprising: a base plate coupled to the door inner surface ; a first shaft disposed parallel to a width direction of the door ; a second shaft disposed parallel to the first shaft ; a first pressurizing plate pivotably coupled to the door inner surface or the base plate through the first shaft and disposed to face the base plate ; and a second pressurizing plate pivotably coupled to the door inner surface or the base plate through the second shaft and disposed to face the first pressurizing plate , wherein the first pressurizing plate mounts pants, pressurizes a portion of pants located between the base plate and the first pressurizing plate , and another portion of pants located between the first pressurizing plate and the second pressurizing plate . a cabinet having a laundry inlet defined in one surface thereof; a first chamber positioned inside the cabinet to accommodate laundry therein through the laundry inlet ; a second chamber positioned underneath the first chamber to define a space separated from a space of the first chamber ; a steamer disposed inside the second chamber to generate steam and supply the generated steam to the first chamber ; a door pivotably coupled to the cabinet to open and close the laundry inlet ; and a door inner surface facing the first chamber among both surfaces of the door ; characterized by further comprising: a base plate coupled to the door inner surface ; a first shaft disposed parallel to a width direction of the door ; a second shaft disposed parallel to the first shaft ; a first pressurizing plate pivotably coupled to the door inner surface or the base plate through the first shaft and disposed to face the base plate ; and a second pressurizing plate pivotably coupled to the door inner surface or the base plate through the second shaft and disposed to face the first pressurizing plate , wherein the first pressurizing plate mounts pants, pressurizes a portion of pants located between the base plate and the first pressurizing plate , and another portion of pants located between the first pressurizing plate and the second pressurizing plate . a base plate coupled to the door inner surface ; a first shaft disposed parallel to a width direction of the door ; a second shaft disposed parallel to the first shaft ; a first pressurizing plate pivotably coupled to the door inner surface or the base plate through the first shaft and disposed to face the base plate ; and a second pressurizing plate pivotably coupled to the door inner surface or the base plate through the second shaft and disposed to face the first pressurizing plate , wherein the first pressurizing plate mounts pants, pressurizes a portion of pants located between the base plate and the first pressurizing plate , and another portion of pants located between the first pressurizing plate and the second pressurizing plate . <EOS>