PROBLEM TO BE SOLVED : real estate management is easy to use and sheet manager estate management. SOLUTION : consists of a rectangular sheet, its surface near one end side along the longitudinal side A plurality of holes are provided in the vertical direction, the vertical width is constant along the lower edge near real estate in the name of column 1 is provided, on the other part of the estate management information about the column. Furthermore, back along the vicinity of the upper end side, and the width of the surface of the same name column 1 is provided, on the other part of the rear column 19 is provided to display information. Furthermore, this base sheet S estate management computer processing. In this case, each sheet of the name of column 1 贩 S贩 estate listed only.