PURPOSE : A method for operating a real estate management site in an internet is provided for enhancing a convenience of a real estate owner by processing all managements in a real estate management site.CONSTITUTION : A system manager builds a site in an internet space(S1) and informs to a real estate owner and an internet user by a certain advertisement method. Real estate owners(31, 32, 33) having buildings are connected with a server computer(20) through an internet communication network(10). An information with respect to a special benefit provided when registering as a member and information with respect to a management destination are provided, and the real estate owners are registered as a member(S2). In the case that there is information with respect to the real estate information, a corresponding information is stored in a database(25).COPYRIGHT 2001 KIPO