PURPOSE : A property selling management system and a method thereof are provided to enable a resident to determine whether a part of a selling payment pays when post sales of property are progressed, thereby guaranteeing a right about stable residence.CONSTITUTION : A share sale server(400) performs that an investor for residence or an investor for non-residence are able to transact for property. A resident terminal(410), an investor terminal(430), and a seller terminal(420) are able to repeatedly perform a detailed share transaction. Distribution managing units(210, 220) provide a property construction schedule. The distribution managing units provide postsale contract related information collected from a distributor terminal(212) or a distributor(213) to a selection distribution transaction managing server(100).[Reference numerals] (100) Selection distribution transaction managing server; (210) Distribution managing unit; (212) Distributor terminal; (220) Distribution managing unit; (222) Distributor terminal; (250) Financial information providing server; (300) Transaction related database; (400) Share sale server; (410) Resident terminal; (420) Seller terminal; (430) Investor terminal; (450) Right managing unit; (AA) Trust; (BB) RegistrationCOPYRIGHT KIPO 2013