The purpose of this study is to examine the influence of European middle class, ethos to costume. This study is concerned with historic situation about enlightment and French revolution, and the change process of costume before and after the French Revolution. In order to investigate the relationship, this studies include the phenomenon of costume in the basis of thoughts of the age (enlightment), political event (French revolution) and social system (middle classes). The Influence of enlightment to costume of man and children were which emphasized practical aspect. Children costume was developed independently from costume of adult before French revolution. French revolution played a roll in silhouette, color, texture of costume for man. Especially pantalons which names Sans-culotte generalized as modern clothing for man. Women freed from corset because of the influence of neo-classicism for a while. However, costume of woman did not change much because women were excluded from of enlightment.