According to the present invention, there is provided a management system that prevents misuse of many game tokens during the operation of casino using card game tables in casino and other card game facilities using card game tables. The management system has a function that previously registers IDs of contemplated game tokens on database, manages IDs of game tokens present on a game table chip tray and a storage together with information on location on database, specifies the game token in the game table chip tray and the storage at predetermined timing, and generates an error signal when the following statuses is noticed: 1) a fact that ID absent on database is newly present and 2) a fact that two or more identical IDs are present.