1. An ID card issuing system for composing information on a card substrate, comprising: means for inputting respective primary information relating to first and second individuals, said primary information including associated coordination bar code information, and for separately inputting respective secondary information relating to said first and second individuals; means for identifying the respective primary information on the first and second individuals by the associated coordination bar code information, identifying the respective secondary information on said first and second individuals, and automatically pairing together the primary information and the secondary information relating to the same individual in accordance with commonality of identification; means for determining laid-out information on paired primary and secondary information relating to said individual; and means for outputting the laid-out information pertaining to said individual onto a card substrate.