A clothing treatment apparatus, comprising: a main body formed with a space to accommodate clothing; a sprayer disposed inside the main body and configured to spray at least one of steam or air toward the clothing while the clothing is accommodated in the space; a door connectable to the main body to open and close the space; and a processor, wherein the door includes: a first inlet through which air from outside the main body flows toward the space, a second inlet connectable to the first inlet and through which the air from the first inlet flows to the space while the second inlet is connected to the first inlet, and a shutter configured to selectively move toward the second inlet to close the second inlet and move away from the second inlet to open the second inlet, wherein the shutter includes: a rotational shaft connected to the inside of the door, and a driving motor configured to provide a driving force to the shutter, and wherein the processor is configured to control the driving motor to move the shutter to: close the second inlet when the clothing treatment apparatus is operated, and open the second inlet to allow external air to flow from the first inlet to the space when the clothing treatment apparatus is not operated. a main body formed with a space to accommodate clothing; a sprayer disposed inside the main body and configured to spray at least one of steam or air toward the clothing while the clothing is accommodated in the space; a door connectable to the main body to open and close the space; and a processor, wherein the door includes: a first inlet through which air from outside the main body flows toward the space, a second inlet connectable to the first inlet and through which the air from the first inlet flows to the space while the second inlet is connected to the first inlet, and a shutter configured to selectively move toward the second inlet to close the second inlet and move away from the second inlet to open the second inlet, a first inlet through which air from outside the main body flows toward the space, a second inlet connectable to the first inlet and through which the air from the first inlet flows to the space while the second inlet is connected to the first inlet, and a shutter configured to selectively move toward the second inlet to close the second inlet and move away from the second inlet to open the second inlet, wherein the shutter includes: a rotational shaft connected to the inside of the door, and a driving motor configured to provide a driving force to the shutter, and a rotational shaft connected to the inside of the door, and a driving motor configured to provide a driving force to the shutter, and wherein the processor is configured to control the driving motor to move the shutter to: close the second inlet when the clothing treatment apparatus is operated, and open the second inlet to allow external air to flow from the first inlet to the space when the clothing treatment apparatus is not operated. close the second inlet when the clothing treatment apparatus is operated, and open the second inlet to allow external air to flow from the first inlet to the space when the clothing treatment apparatus is not operated.