To provide a card processing system to input a personal identification number of an owner of a card in a personal identification number input device without leakage of the personal identification number and to make settlement by a settlement terminal.

The card processing system is constituted of the settlement terminal 1 having a reading means 5 to read attributes of the card, the small- sized personal identification number input device 2 to perform with the settlement terminal 1 in non-contact state and a host device 4 connected with the settlement terminal 1 through a cable 3 by using a network line, etc., and arranged in a bank, etc.