This study is a methodology to establish a basic concept of aesthetics of the Korean dance. By examining main concepts of Korean traditional ideas, this study aims to explore the concept of aesthetics in Korean dance in a systematic way. In particular, it interprets the Korean dance based on the foundation of humanities. Accordingly, the study is significant in developing the system of aesthetics of the Korean dance by suggesting philosophical foundations of the Korean dance through the aesthetics study and through history and traditional ideas rather than limited interpretation within the scope of broad east and western aesthetics. The study was progressed in a 3-stage research design. The first stage was to extract the prototype of the ancient arts from Korean national culture in order to comprehend the prototype of the Korean dance. In the first place, examine the original flow of the Korean ideas embedded in the national foundation myths, legend and ancient heavenly ritual, and the study analyzed related languages and terms, then able to expose the clue of the esthetics of the Korean dance. The second stage was examining the spirit of the Korean Dance from the national’s original flow which is embedded in the legend and ancient heavenly ritual, i.e through the world view of ancestors who worshiped the sun and served the heavenly god. And explored the boundary of aesthetics of the Korean dance over ‘Poongryudo’ that is based in the aesthetics of the Korean dance. Lastly, in the third stage, the study establish the basic concept of aesthetics of the Korean Abstract 82 제41호dance from reviewing how the logic of aesthetic ideas, which were generated from specific traditional dances such as Salpurichum, Chunaengjeon and mask dance, granted value in aesthetic sentiment and concept. Aesthetics of the Korean dance is the aesthetics of harmony under the human centered ideas, the aesthetics of freedom which is surrealistic directly related to our life and goes beyond time and space, and the aesthetics of weighing high on the livelihood. Such aesthetics could form today’s aesthetics value and concept by repeated periodic communication. The basic concept of aesthetics of the Korean dance is divided by ‘Sitgim(washed)’ that is reached to god’s purification to release resentment, sorrow, and the dark-side, and ‘Poongryu(tasteful)’, which purposed for purify by lightness, harmonize, animateness, extemporization, flavor, pleasure, etiquette music, and light-hearted, etc. These concepts are generated from the national original culture, can be find from the original flow and the ancient heavenly ritual, and ultimately, both are seeking for the stage of a unity of heaven and man from the purification.