PURPOSE : To freely retrieve real estate information for anyone by installing a customer operation type information providing terminal retrieving real estate information in a railway station. CONSTITUTION : A customer operation type information providing terminal 10 is installed in a railway station and is connected with a real estate information control center 20 by an on-line via a communication line. A display 12 with touch panel reads the retrieval condition that a customer operates in accordance with the instruction of a screen and a transmission controller 15 transmits the retrieval condition to a real estate information control center 20 via the communication line. In the real estate information control center 20, a host computer 21 retrieves real estate information from a real estate information database 22 and returns information. When the real estate information returned to the customer operation type information terminal 10 is displayed and the customer instructs the match with his desire, a ticket sales unit 13 sells the railway ticket up to the nearest station of the real estate agent dealing with the real estate and a printer unit 14 prints real estate information on paper and outputs the information.