A technology which is highly safe and furthermore highly convenient in personal authentications via a mobile terminal is provided. A terminal device 200 of the present invention includes: a position determining section 271 that determines a position of the terminal device 200 at predetermined time intervals, and accumulates the position as position information; a movement history generating section 272 that generates a movement history by using the position information accumulated in a predetermined period, and stores the movement history as movement history information; a registration processing section 276 that transmits, for registration, the movement history information to a personal authentication apparatus; and an authentication requesting section 279 that makes an authentication request to the personal authentication apparatus 310 by using the movement history information stored after the transmission by the registration processing section 276 to the personal authentication apparatus 310.