The appearance of a building material changes with the distance between the place where people stands and the place where the materials exists. In a small distance, people can recognize the materials in minute details such as wood grains, while in a long distance, the materials in color. The change of the appearance of a building materials causes the change of psychological effect on people. The object of this paper is to consider experimentally how the change of the appearance of building materials with distance influences people psychologically. The ten samples of material were used for the test.