A clothes treatment apparatus comprising: a cabinet having a first chamber for accommodating clothes and a second chamber for defining a machine room; a door rotatably coupled to the cabinet for opening and closing the same; a steam unit accommodated in the second chamber for supplying steam to the first chamber; and a wrinkle removal module comprising: a base panel mounted on an inner side of the door; and a panel assembly including a first panel rotatably mounted to the inner side of the door or to the base panel, and characterized in that the panel assembly includes a second panel rotatably coupled to the first panel; wherein a proximal side edge of the first panel is rotatably coupled to the inner side of the door or to the base panel and the second panel is rotatably coupled to a distal side edge of the first panel; and wherein the first panel and the second panel are rotatable into a first configuration for tensioning clothes, in which an acute angle is formed between the first panel and the second panel to apply tension to a piece of clothing hung on the first and second panels (202, 204), and/or into a second configuration, in which the first panel and the second panel are folded one on top of the other and rotated onto the base panel to apply compression to a piece of clothing arranged between the panel assembly and the base panel for removing wrinkles. a cabinet having a first chamber for accommodating clothes and a second chamber for defining a machine room; a door rotatably coupled to the cabinet for opening and closing the same; a steam unit accommodated in the second chamber for supplying steam to the first chamber; and a wrinkle removal module comprising: a base panel mounted on an inner side of the door; and a panel assembly including a first panel rotatably mounted to the inner side of the door or to the base panel, and characterized in that the panel assembly includes a second panel rotatably coupled to the first panel; wherein a proximal side edge of the first panel is rotatably coupled to the inner side of the door or to the base panel and the second panel is rotatably coupled to a distal side edge of the first panel; and wherein the first panel and the second panel are rotatable into a first configuration for tensioning clothes, in which an acute angle is formed between the first panel and the second panel to apply tension to a piece of clothing hung on the first and second panels (202, 204), and/or into a second configuration, in which the first panel and the second panel are folded one on top of the other and rotated onto the base panel to apply compression to a piece of clothing arranged between the panel assembly and the base panel for removing wrinkles. a base panel mounted on an inner side of the door; and a panel assembly including a first panel rotatably mounted to the inner side of the door or to the base panel, and characterized in that the panel assembly includes a second panel rotatably coupled to the first panel; wherein a proximal side edge of the first panel is rotatably coupled to the inner side of the door or to the base panel and the second panel is rotatably coupled to a distal side edge of the first panel; and wherein the first panel and the second panel are rotatable into a first configuration for tensioning clothes, in which an acute angle is formed between the first panel and the second panel to apply tension to a piece of clothing hung on the first and second panels (202, 204), and/or into a second configuration, in which the first panel and the second panel are folded one on top of the other and rotated onto the base panel to apply compression to a piece of clothing arranged between the panel assembly and the base panel for removing wrinkles.