To resolve the problem that it is difficult, in respect of confidence, for a user to make reservations for a restaurant, which is rather new to him or her, by telephone and go there.

A user terminal 10 consisting of a portable telephone or a personal computer, an order reception server 20, a supply source server 40, the Internet 100 mutually connecting them, a seat reservation server 30, a restaurant terminal 50, a material stock management server 60 are connected by an intra-site network 200, and the user terminal transmits reservation information from a home page operated on the order acceptance server of a shop, and the order acceptance server receives a member's number and order information, which are transmitted from the user terminal, and collates order information with empty seat information of the seat reservation server to make reservations for a seat after discriminating the user terminal as a member, and a lack of materials is extracted by the material stock management server on the shop side to request materials to the supply source server.