The court dancing suit, so-called "JeongJae(呈才) suit," has been worn by court dancers. Since the court dancing suits in the age of the ancient Three Kingdoms and Koryo Dynasty have already been studied previously, this study discussed the change of dancing suit styles created in the latter period of Chosun Dynasty, such as GaInJeonMok-Dan(佳人剪牧丹)ㆍGoGuRyeo-Mu(高句麗舞)ㆍGongMak-Mu(公莫舞)ㆍManSuMu(萬壽舞), and the thought of Yin-Yang and five elements(陰陽五行思想) that the colors of the court dancing suits imply. The purpose of this study is to understand the thoughts contained in the ancient suits as well as their styles in order to inherit and uphold our traditional culture properly. properly.