To block unauthorized use of a card in accordance with loss or theft of the card and to continuously offer card utilization service.

The continuous card utilization service is realized by providing a personal information storage substrate issuing body 2 having a personal information storage substrate issuing part 2 to issue a main personal information storage substrate 10 to transfer personal information and an extra personal information storage substrate 20 having the same function as the main personal information storage substrate 10 by pairing them and a terminal 3 connected with the personal information storage substrate issuing body 2 by a network, specifying the main personal information storage substrate 10 paired with the extra personal information storage substrate on the basis of a recognition number of the extra personal information storage substrate read from the main personal information storage substrate 10 by the terminal 3, stopping the function of the specified main personal information storage substrate 10 by an invalidation part 2 and reissuing the main personal information storage substrate 10 by a reissuance part 2.