To provide a room reservation system for a leisure type hotel capable of improving convenience for a hotel user, and improving guest calling and profits at a hotel side by allowing the customer to easily retrieve hotels having an unoccupied guest rooms, and to make a reservation.

Each of plural hotels is connected through a signal line to a room reservation control center 1, and the vacancy information of the guest rooms of each of the plural hotels is reported to the room reservation control center 1. Also, reservation terminal equipment 4 for allowing customers to retrieve the vacancy information of the guest rooms of each of those plural hotels, and to select the unoccupied guest rooms, and to make a reservation at the hotel having the selected unoccupied guest rooms is set at the entrance of each hotel. Then, conditions related with a time when the reservation is made valid are added to this hotel reservation, The reservation terminal equipment 4 is provided with a display 7 for displaying the vacancy information of the guest rooms of each hotel and the guest room information of the unoccupied guest rooms.