An apparatus for manufacturing a vehicle card key includes: an upper mold which is disposed on a printed circuit board (PCB) substrate of a vehicle card key; a lower mold which is fixed to a lower portion of the PCB substrate; a keyhole slide which is disposed between one end of the upper mold and the lower mold and forms a keyhole; a battery hole slide which is disposed between the other end of the upper mold and the lower mold and forms a battery hole; a first angular pin which passes through the one end of the upper mold and one end of the keyhole slide and the lower mold; and a second angular pin which passes through the other end of the upper mold and the other end of the battery hole slide and the lower mold.