To secure many seats with once operation even in the case of a reservation for a party of tourists or the like.

This seat reservation system is provided with a CRT 1 for planarly displaying an image showing a performance hall with a plurality of seats, a pointing device (unillustrated) capable of selecting a group of seats requested for a reservation so as to surround the group of seats with the image of the performance hall displayed on the CRT 1, a coordinates information memory 4 for performing the reservation after the group of seats for the reservation is selected with the pointing device, a performance information memory 3, a performance data registering part 2, a reservation information memory 6 and a reservation registering part 5.