The present invention relates to a clothes treatment apparatus. The clothes treatment apparatus according to the present invention comprises: a cabinet which has a treatment space for accommodating clothes, and of which the front is open; a door opening/closing the open front of the cabinet, and having clothes fixing parts, on which the clothes are hung, disposed thereon; and a press device which is disposed, below the clothes fixing parts, on the inner surface, facing the treatment space, of the door, and which presses the clothes hung on the clothes fixing parts, wherein the press device includes: a base plate which is disposed on the inner surface of the door, and which supports one side of the clothes hung on the clothes fixing parts; a press plate which is hinge-fixed to one side of the door, and which brings the clothes hung on the clothes fixing parts into close contact with the base plate; and a film which is fixedly disposed at the end portion of the base plate, which is extended to the center of the base plate, and which is disposed between the press plate and the base plate when the press plate is in close contact with the base plate.