PROBLEM TO BE SOLVED : The device disclosed, PDF format court as image data included in the information in public important character information and by which it can be managed by a computer, the user to retrieve information relating to a property of the estate auction to improve convenience. SOLUTION : The device disclosed, the auction court is disclosed as estate property information disclosed in the text data and means to acquire, real estate auction property information disclosed as image data in the information set point 3 by optical character recognition means for extracting and character information, these means writes the information acquired by the processing means and storage means, optical character recognition processing information acquired by the specified by the estate auction based on a request to provide information relating to a property, stored in the memory means corresponding to provide information regarding the estate auction and means, and has. Selected drawing : fig. 2