To provide a restaurant utilizing method utilizing the Internet, with which it is not necessary for a user to visit a restaurant to confirm dishes, wait time or possibility of parking, convenience is improved and improvement in an advertising effect, the reduction of vacant seat time and the increase of sales can be expected for the restaurant.

When a user accesses the restaurant utilization service provider 1 from a user terminal 3 via the Internet 2, the information of a menu and the summary of the restaurant is displayed from the restaurant utilization service provider 1 to the user terminal 3 and the user designates the desired restaurant to know details out of these displayed contents and acquires the details of required attached information by designating the specified restaurant and the present position of the user out of detailed information provided by the restaurant. On the basis of this attached information, the user determines the restaurant and transmits the reservation information of dishes via the Internet to a restaurant terminal 4. After the summary is completely received from the restaurant terminal, acceptance data are transmitted to the user and the user confirms the acceptance data.