The invention discloses a folding clothes hanger comprising a hanger body, a hanger arm, a hanger hook, and a suspension hook. The hanger body is provided with first receiving groove, a second receiving groove and a third receiving groove staggered from each other and arranged at intervals. A first rotating shaft is arranged on the inner wall of the first receiving groove, while a second rotating shaft on the inner wall of the second receiving groove and a third rotating shaft on the inner wall of the third receiving groove. The hanger arm can be received in the first receiving groove and is flush with the opening of the first receiving groove. The hanger hook can be received in the second receiving groove and is flush with the opening of the second receiving groove. The suspension hook is rotatably arranged on the third rotating shaft and can be received in the third receiving groove and is flush with the opening of the third receiving groove. Thus, it can be achieved that the hanger body, the hanger arm, the hanger hook and the like are completely closed up, and thus, the hanger arm, the hanger hook and the like can be well hidden in the hanger body; as a result, the size of the folding clothes hanger can be reduced to an utmost extent to avoid occupation of excessive space, and the entire folding clothes hanger can be provided with a better appearance with menaced use experience.