The present invention refers to, on network client terminal in response to registration request information of real estate for auction said auctioning realty, and information and upload list real estate auction of web site, said client terminal connection request and information search or auction joining request according to real estate related information and/or auction for supporting real estate auction support contents in system where a real estate auction brokage method in, said client and/or real estate exchange real estate related auction from the operator of the method as well as personal information to the database, said web site may upload information date/time and a real estate auction specific auction joining is to derive, predetermined auction time said real estate auction temporarily said client terminals and/or exchange bid inputted from the correlation-between-terminal compared, final user, so that the user' s characterized in that which the service technician uploads a contract price. Therefore, the present invention refers to trading receive a user authenticating dictionary sufficient customer can be review, which leaves a negative' ll after transaction at an elevated temperature, is free, transparent the inside of a nose is consultation fair price market i.e. the price determined principle after embedded into a structure, from the head-head is returned to an initial position, directly to reply realty with the is formed based, temporal, comprises the can overcome the and to be vertically movable..