Plenty of problems have emerged during tour as the number of tourists increasingly rises, however, a good scheme for addressing these problems has not been found so far. According to the invention, an information interaction method based on information physical system and radio frequency technology is designed by mainly adopting RFID (Radio Frequency Identification) technique on the basis of CPS technology, the use information of resources, such as sight spots, hotels, restaurants and the like, is collected and converged through an information control and scheduling center in tourist attraction, then reasonable shunt information and reasonable tourist lines are fed back to tourists and guides after artificial planning, and likewise, when tourists lose touch with others, the method can aid in searching for the lost tourists and enable the guide to assemble own tourists or remind own tourists of emergency, therefore, the tourism service quality is dramatically raised, and the scheme is also advantageous in self introduction of sight spots.