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.