The present invention refers to a deductor official fee remote car buyer while simultaneously subjected to real estate as well as transaction transparent where a new file does not exist, and contract insuring sale rapid, trading through the activation of dealing realty with realty dealer in the game or more an expected can be, rapidly a seller offerings to be processed such that the marketing for intermediating real estate over online is relates to method and system, Buyer is each other and associated with thereby possessing the intermediating real estate provider registration number, address, contact numbers belong to the web site comprises the information, including database (110), said database (110) the web site comprises the bovine for intermediating real estate registered in held at the article on sale is registered with the database (120) a registered sale, a buyer number realty with the gateway in a and have subscribed controller allocates a region for storing the buyer database (130) buyer and the managed storage option associated with the region is chosen, said buyer database (130) is buyer and a stored subscribed to the motion to purchase membership publication of membership is membership and Serial number, from the stored traffic information match the buyer database (140) membership managing, said membership database publication in residual thereof and the remainder of for membership card is one corresponding to a operation schedule managing storing and management for the voltage variations to compute [...] database (150), said database (120) registered sale real estate is constructed based on address of a membership to contract trading is buyer server from buyer into a format matching with a stored accumulated is official fee intermediating the court official fee database (160), said official fee database (160) intermediating only buyer identified deposit in official fee portion of accumulating at the reading speed of a system when using the respective affiliated Corporation such as architecture, bridge, settlement at the reading speed of a system at participated is point management database (170) comprising the same (S) marketing system intermediating real estate database (130) buyer of a member subscription to subscription buyer and registration step (S100) and a, said intermediating real estate marketing system (S) of registered sale real database (120) 8880000039 888 the content has been registered with the apartment, house alone, using a rebound hardness, one room to insuring sale, lease, including real estate offerings that buyer retrieves monthly rent a realty after estimate real estate in locations on the air a and promise pre appointment step (S200) and a, appointment predetermined buyer in order to be able to place visited (S) marketing system intermediating real estate database (140) membership of a membership for purchasing membership publication in purchase step (S300) and a, the demodulator demodulates the if buyer realty when the Internet server informs to a contract and, after the teeth real estate trading intermediating court official fee (S) marketing system intermediating real estate in a monobloc manner legal possibility processing deposit in completion deposit step (S400) and a, portion of intermediating after deposit official fee intermediating court official fee to is credited at the reading speed of a system, a buyer is association with software test (S) marketing system intermediating real estate seller body, cleaning seller body, interior Company, papering when using seller construction and floor with the accumulation official fee-payment data transmitted at the reading speed of intermediating. semiconductor device using the same comprise the accumulating step (S500).