A system and a method for providing a robot interaction service utilizing a location-based service of a mobile communication terminal. The system for providing a robot interaction service utilizing location information of a mobile communication terminal, includes: a mobile communication terminal for performing a mobile communication service through a wireless communication network, measuring a current location thereof and transmitting the measured location information to a predetermined robot terminal through a communication network; and a robot terminal for receiving the location information from the mobile communication terminal, determining a robot behavior based on the received location information, and controlling the operation thereof according to the determination result.