The invention belongs to the technical field of intelligent door locks, and particularly relates to a
public security management lock and
system based on identity card unlocking and a using method thereof. The
system comprises a lock shell, and an upper end unlocking area, a
handle and a lower end unlocking area which are sequentially arranged on a
front panel of the lock shell from top to bottom.The upper end unlocking area comprises a sliding groove formed in the
front panel of the lock shell and a sliding cover arranged on the
front panel of the lock shell and matching the sliding groove.The lower end unlocking area comprises a
landslide protruding block arranged on the front panel of the lock shell and an identity card recognition area fixedly installed on the
landslide protruding block, and a baffle is arranged below the identity card recognition area. A face recognition
detector and an identity card recognition module are adopted to perform dual detection on a user, it is guaranteed that unlocking can be performed only after simultaneous detection of a person and an identity card is passed, and therefore it is guaranteed that unlocking can be performed only by a person whocan input unlocking information, and safety accidents are reduced. And a
fingerprint identification module is further arranged, so that the user can enter a room under the condition that the identitycard is lost.