Provided is an information providing service system and method based on an inter-device information exchange protocol. The information providing service system includes a plurality of devices on which a device architecture module and an information provision application for performing information exchange and remote control in a specific network are installed, and an information provision server configured to receive position information periodically transmitted by the information provision application of the respective devices, manage the position information according to the respective devices, receive a signal generated by a sensing means installed at a predetermined position in a specific place, find a position of the generated signal, search for the same device position information as the found position using an information provision application service module, and transmit predetermined guide information data to the information provision application of a device corresponding to the searched device position information.