The present invention relates to a real estate brokerage system comprising : a registrant terminal to transmit information regarding a property to a property management server and to receive a property trading state from the property management server; the property management server to inspect the received property information from the registrant terminal and to match the property with a real estate office joined to be a member; and a broker terminal to achieve a transaction to accept the property by joining to the property management server, and a brokerage method thereof. The real estate brokerage system and the brokerage method can make many brokers guide the property at a time and achieve a rapid transaction by making a client access to an application or a website through the registrant terminal and ask the property directly, making a server which inspects the property registered by the client request information correction to the client when a problem is generated, and providing an advertisement to the application or the website by connecting an assigned broker when the connection is completed.(110) Registrant terminal(120) Broker terminal(130) Third party user terminal(200) Property management serverCOPYRIGHT KIPO 2016