PROBLEM TO BE SOLVED : To realize a method by which a general real estate information provider can provide real estate information anytime, freely, simply and inexpensively and can change, update, add and delete registered real estate information anytime.SOLUTION : A person desiring to register real estate information accesses the computer system of an agent through a communication line to select the nearest station to a real estate article desired to register from the station list, the railroad map list and the list of areas along respective railroad lines all over the country or to register the real estate information to the station nearest to the real estate article by a means for inputting the station nearest to the real estate article desired to register. In the case of changing, updating, adding and deleting registered real estate information, both of a registration password and a real estate identification ID are used. A person desiring to receive real estate information can select a desired station or an area along a desired railroad to retrieve the real estate information without restrictions.