This research intends to introduce scientific research methodology of the logical structure of Feng-Shui(風水). As its object, HungJi(凶地: bad land) is statistically verified as the concept opposite to the MyungDang(明堂: good land) in Feng-Shui. Thus, the property of YangTaekFeng-Shui(陽宅風水) of apartment house in auction is analyzed by using quantification theory type II.
According to analysis, the variables closely related to apartment house in auction are shown in the order of ImSan(臨山: location with mountain in front), BaeSuImSan(背水臨山: location with river in the back and mountain in front), ending house, non mixed house, PalRoSaRo Hades(八路四路黃泉殺), JeonGoHuJeo(前高後低: location with high front and low back), reverse river, ending road and PalYo Hades(八曜黃泉殺). The most influential factors among those that decide apartment house in auction are shown in the order of JeonGoHuJeo, ending road, ImSan, PalRoSaRo Hades, non mixed house, reverse river, BaeSuImSan, ending house and PalYo Hades. The ratio that was judged correctly was relatively high- 66.8%. Some alternatives were presented to convert bad house to good house in terms of Feng-Shui.