Provided is a cash transaction machine including: a medium storage portion; a medium transfer module transferring a paper medium in a sheet unit from the medium storage portion; a temporary stack portion including an upwardly and downwardly movable supporter being provided to be adjacent to an outlet of the medium transfer module to stack the paper medium; a carriage receiving the paper medium from the supporter; and a carriage transfer portion transferring the carriage to a medium outlet in a state where stacked paper media is pressed, wherein the carriage includes a holder being provided in parallel with a moving direction of the carriage to support a bottom surface of the stacked paper media. The cash transaction machine may be constructed to enable a stack of paper media to maintain its arranged state while the paper media is being transferred and to simplify a transferring structure of paper media.