PURPOSE : A franchise system for realty deal real estate transactions is provided to increase the competitiveness of agents and to ensure the fairness and safety in the opening of information.CONSTITUTION : A database (203) is registered with landlord, sale, and contract information to manage. A management server (201) provides real estate brokerage information by registered levels on the basis of franchise registered information and manages franchise fees. Sale information is selectively provided according to franchise registered levels in a homepage using an internet network (207). Points are registered with the registration of new sales or the video information of existing sales. An agent terminal (205) stores sale information in a transaction request person terminal (211) using a wireless network (209).[Reference numerals] (207) Internet network; (209) Wireless networkCOPYRIGHT KIPO 2013