Abstract: Provided are a managing device and the like for an amusement facility that are capable of strictly managing users who have entered the amusement facility. A managing server that manages entry into an amusement facility includes: an entry database that stores entry record data generated based on an identity verification document of a user when the user enters the amusement facility; a membership database that stores member data of the user that is input when the user is registered as a member; a checking unit configured to check the entry record data and the member data against each other; and a notification unit configured to notify the user of certain information when the checking results in unsuccessful verification.