The present invention provides an automatic transaction device, an automatic transaction system and a method for activating the automatic transaction device. The illegal transaction of person except the account opener to the account is restrained and prevented. The automatic transaction device (1) is provided with a reading unit which reads the account number, etc. in the cash card, and the customer transacts based on the account number information, etc. The automatic transaction device comprises the following components: a face image storing device (28) which is pre-stored with the face image (51) of account opener, a camera (7) which shoots the face image (52) of user that sits before the automatic transaction device (1), and a display device (8) which is installed at a position that is confirmable to a third person, wherein the display device (8) simultaneously display the face image (51) of account opener stored in the face image storing unit and face image (52) of user shot by the camera (7).
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