To prevent erroneous input of a table ID in a self order system for performing a self order by inputting a table ID.
The self order system comprises a private terminal 1 that is operated by a shop clerk, a customer terminal 2 that is operated by a customer, and a management server 4. The private terminal 1 comprises an initial data transmission unit 102 for, when a table is started to be used, transmitting initial data that includes a table ID to the management server 4. The customer terminal 2 comprises an order temporary data transmission unit 204 for, when an order is placed, transmitting order temporary data that includes order information and the table ID to the management server 4. The management server 4 comprises an ID storage unit 402 for storing the table ID included in the initial data transmitted from the private terminal 1 as a permission target ID, and an order information acceptance unit 403 for, when the table ID included in the order temporary data transmitted from the customer terminal 2 is the permission target ID, accepting the order information included in the order temporary data.
OHORI HARUYOSHI
Osamu Suzawa
Kazuhiko Miyasaka