PROBLEM TO BE SOLVED : To provide information disclosing technology which allows general people to have real estate dealing-related information on objective evaluations, etc., including the reason of price determination with small labor equally to real estate agents.SOLUTION : This real estate evaluation data disclosing device is equipped with a real estate information database which makes it possible to browse dealing information on specific real estate, a price data receiving means which receives data on the price, etc., of the real estate when a person who has browsed the real estate information data base sends the data on the price, etc., of the real estate, and a price data base which stores the received data on the price, etc., by browsed real estate and makes them available for browsing.