The present invention relates to a system for providing pluralistic real estate transaction information that can contribute to real estate industry and market activation. Only a company having a transaction credit confirmed in advance, a real estate company, a real estate agent, a real estate agent, and a real estate agent participate in a real estate transaction to provide goods for sale, lease, exchange, and lotting-out. It is possible to make a single or plural choice among transactions, brokerage transactions, consulting transactions, and professional consulting transactions in the real estate transaction type, according to the authority of a member. It is possible to induce the competition and the fast deal of registered real estate and to secure the authenticity of mutual trust and transactions through the timely disclosure of real estate transaction fee information along with the specification of real estate price. The system includes a user terminal and a corporate real estate information management server.(100) User terminal(110) Company terminal(111) General corporate member terminal(112) Real estate company member terminal(113) Opened real estate agent member terminal(114) Real estate agent member terminal(120) Server administrator user terminal(210) Standardized contract agreement processing unit(220) Corporate information processing unit(230) Object registration requesting unit(240) Registration information transmission and reception unit(241) Item type collecting unit(242) Transaction type collecting unit(243) Transaction type collecting unit(244) Item condition collecting unit(250) Item authentication posting unit(260) Item information reading unit(261) Item information searching unit(262) Item information drawing unit(263) Interest item collecting unit(264) Visit reservation transmitting unit(265) False item notifying unit(270) Item information managing unit(271) Item information modifying unit(272) Contract completing item collecting unit(273) Visit reservation managing unit(280) Server managing unit(281) Membership managing unit(282) Information notice unit(283) False information managing unit(S) Corporate real estate information management serverCOPYRIGHT KIPO 2017