Disclosed is a free folding bed in which a support panel with a mattress arranged thereon includes a plurality of divided parts and which is freely foldable and unfoldable in vertical and horizontal directions, and more particularly, to a free folding bed in which a back support unit, a thigh support unit and the like of a support panel may be folded in a vertical direction in a state where the support panels were folded in a horizontal direction and which may be freely folded or unfolded in the vertical and horizontal directions and thus transformed according to a user or protectors intention, thereby significantly improve convenience.
