PROBLEM TO BE SOLVED : To construct a system improving an investment effect as an advertising medium for publishing the estate property, realizing convenience, collecting a use fee as a consideration for map information use on each occasion in behalf of a map provider, and paying the fee to a map information provider.SOLUTION : A thing advertisement bulletin board capable of introducing a real estate property with a map wherein the real estate property including peripheral environment and adjacent environment is processed as advertisement information is prepared on a site, and the advertisement bulletin board is exhibited to a real estate owner or a real estate agent dealing a full-time thing by an ASP server 3. A provider mediating communication of the real estate executing sale by agent of map information by exhibiting the map information stored in a map sever 5 on the estate property advertisement bulletin board and manages that the real estate agent dynamically processes the map on a Web terminal 1, cuts the map as an image and places the image on the advertisement bulletin board. Thereby, the provider collects the use fee as the consideration for the map information use on each occasion in behalf of the map provider and pays the fee to the map information provider.