1. CONTENTS (1) RESEARCH OBJECTIVES The word named the Kong - conception of land has been used for a fairly long time in our country. At present, the word named the Kong - conception of housing ownership is also being used at public institutions in public. At the same time, the Kong- conception of real estate ownership is also being used. (2) RESEARCH METHOD It is necessary to inquire into how the Kong- conception of real estate ownership has been used in our society. As we observe the social phenomena which this concept is being used, this study will go far toward groping for our real estate policy to step forward properly. The used phenomena of these concepts during that time will be inquired into, and then what kind of changes have been brought from the real estate policy will be considered. (3) RESEARCH FINDINGS In view of the results so far inquired into, it was given proof that these concepts have been misused in our country during that time and a lot of real estate policies have been misused due to the mistaken appliance concepts. 2. RESULTS From now on, these concepts should be used properly and prudently. These concepts shouldn't be misused any more to the appliance to mistake our land planning or disturb the real estate market.