PROBLEM TO BE SOLVED : To provide a system for bringing a fallow field and an uncultivated land in agricultural and mountainous village parts and persons giving up to have a site for kitchen garden in spite of their desires to have kitchen gardens close together.SOLUTION : In this real estate operation system, a real estate agent 12 providing information of objects 15 composed of buildings 1 and sites for kitchen garden 2 opens to customers 14 on a home page 13 of the Internet using a computer 9 to sell or rent the objects 15.COPYRIGHT : (C)2006, JPO&NCIPI