PROBLEM TO BE SOLVED : To provide a real estate retrieval system in which chances of meeting between a supplier and a demander of real estate is extended regarding the real estate having specific use structure, equipment and external convenience. SOLUTION : The real estate retrieval system is constituted so that supplied real estate information and demanded real estate information are sorted into basic information required for a general transaction and information intrinsic to the real estate, and free message information is further included in the intrinsic information.