To provide a new card settlement of accounts system capable of suppressing a cost burden at a store side without carrying a card settlement of accounts terminal with a salesman or a tradesman in a commodity selling and a service providing by a visiting.

Card settlement of accounts terminals 1, 2 are provided not a store side but a customer side such as a house and a hospital. A salesman and a tradesman of a card member store carry common member store cards 4, 6 and the member store cars 4, 6 are read out by the card settlement of accounts terminals 1, 2. Thereby, the terminals becomes a state that a settlement of accounts processing is possible. Thereafter, in the similar manner to a usual case, cards 3, 5 of the customer are inserted to the card settlement of accounts terminals 1, 2 to carry out a settlement of accounts processing. According to this system, since the card settlement of accounts terminals can be utilized by the respective member stores in cooperation, the salesman and the tradesman may only carry the member store cards.