A clothes treatment apparatus includes a cabinet; an inner door disposed to be rotatable in a front surface of the cabinet and provided with an opening; an outer door disposed to form a space in which clothes are mounted between a front surface of the inner door and the outer door, the outer door disposed to rotate with respect to the cabinet together with the inner door or with respect to the inner door separately from the inner door; a heating plate disposed on a rear surface of the outer door; a holding device disposed in an upper portion of the space between the inner door and the outer door and formed to hold one end of the clothes; and a pair of clips disposed under the holding device in the space between the inner door and the outer door and formed to hold both sides of the clothes.