This study focuses on individual decision behavior in the court auctioned buildings market. Applying the Prospect Theory, which integrates the views of economics and psychology to probe into the factors affecting an individual's preference attitudes and decision behavior while facing court auctioned buildings. The outcomes of this study are as the follows: (1) framing effect; (2) preferences reverse; (3) reverse relation between risk time and individual's decision; (4) change of decision under conditions of individuals being differentially informed.