A portable terminal device for electronic money IC cards

A portable terminal device for electronic money IC cards containing monetary data therein, comprises in a main body (10): a card slot opening (12, or 12 and 13) into which a plurality of electronic money IC cards (100 and 110, or 100, 110 and 120) are inserted; electric contact terminals (16 and 17, or 16, 17 and 18) for reading and writing the monetary data from and into said electronic money IC cards which are inserted into the card slot opening; a display (80) for displaying money amount of the monetary data which is read out from said inserted electronic money IC cards or which is to be written into said inserted electronic money IC cards; and a button (82) for manipulating the reading and writing operations the monetary data from and into said electronic money IC cards which are inserted into the card slot opening; wherein said card slot opening (12, or 12 and 13) is so configured that the plurality of said electronic money IC cards (100 and 110, or 100, 110 and 120) are inserted into and positioned with being closely piled up with each other and shifted to each other in a direction parallel to main surface thereof.