The most important quality of Moon-Shin's works is 'Symmetry'. That is not like the machines show because it derived from the nature, so it appears little bit different among his each works. As I figured out on my M.A paper, based on the vitalism which have been in Moon-Shin's works, this study intends to find the social meaning of materials that Moon-Shin have chosen for his works which are changed with times despite the works has similar forms. Moon-Shin has tried to express 'harmony' or 'sublime will' which can be recognized as the law of life, since he started the sculptures. After the early period of his art works which used to concrete the vital images, he wanted to express the whole perfect universal world with his sculptures. The sculpture Man of Sun(1970) which has installed in Balcares, France and Olympic1988(1980s) in Seoul, Korea are representative of this period. These two sculpture seem alike for the domed shapes, but each has completely different material such as wood and stainless steel. These difference show the various application of materials, therefore, this study focuses on the relationship between the sculpture material and social background. Perpignan city, located on south part of France(current Balcares) planed to make itself as an art city standing in line with sculpture along the beach, and as a part of this plan, the sculpture symposium had hosted. Moon-Shin invited to this symposium so he made the work Man of Sun(1970) which contained the subject 'Totem', with other seven sculptors. Olympic1988(1980s) is a kind of new version of Man of Sun and it is aimed for celebrating Seoul Olympic. This work was made when Moon-Shin participated in the International sculpture Olympiad, and it has installed in Olympic Park in Seoul permanently. These two sculptures have similar forms but can be classified according to the materials and the location. Therefore, it can be understood as that these two similar sculptures have different social meanings and give unlike sense to audiences. While Man of Sun which is made with African woods represents the oriental spirituality with the metaphor of Totem, Olympic1988 can be read as that Moon-Shin intended to show the status of Korea which has changed internationally after hosting Olympic, throughout the material, stainless steel.