An entry management system SYS includes: a user terminal 1 that is possessed by a user U and is capable of notifying information to the user; and an entry control apparatus 3. The entry control apparatus includes: an acquisition unit 311 configured to acquire biological information on the user; a determination unit 312 configured to determine, based on the biological information, whether or not to permit entry of the user into a management target area MTA; and a control unit 313 configured to output determination result information to the user terminal in a case where it is determined that entry of the user into the management target area is not permitted.