The present invention relates to a non-contact identity verification device and system, and a method thereof, comprising: a physiological characteristic detector, an identification unit, and a transmission unit. The physiological characteristic detector detects a physiological signal of a user. The identification unit compares the physiological signal of a user with a physiological characteristic check value and generates a comparison information. The transmission unit transmits the comparison information. Through a verification technology of the present invention, a user can be verified rapidly and conveniently, recognition stability is very high, and personal data of the user can be adequately protected.
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