Qualitative improvement of person of refuge life after earthquake is an urgent problem. This paper studied for a refuge and examined an impression about the refuge life that utilized corrugated cardboard. We inspected it by three types of room size and three types of corrugated cardboard height and a roof nothing type and a roof type. We examined an experiment result with SD method and principal component analysis. The result showed that the corrugated cardboard height was high and the top light type was comfortable.