The purpose of this dissertation is to analyze the National Theatre of Korea’s theater repertoire foundation using Dance, Chun-Hyang; Soul, Sunflower; and Hyang-Yeon. The analysis will be performed using the ‘the circulation structures of establishing theater repertories’ method. The results of the analysis are as follows. As a national brand performance, Dance, Chun-Hyang is a National Theatre of Korea’s unique, symbolic, identity establishment contribution. Through the production and casting, as well as extraordinary attempts in casting, various performance techniques are used to successfully achieve feedback system. The National Dance Company of Korea’s steady seller Soul, Sunflower was selected as a National Theatre of Korea’s ‘most wanted to be seen again’ performance by the audience, which can influence the company’s management policy. With its high artistic quality and box-office popularity, the piece shows an exemplary case that satisfy administrative requirements. Hyang-Yeon represents a traditional dances that been modernized. The reinvention and reinterpretation of traditional dance in this piece produce meaningful outcome that would provide the structural foundation of the repertoire. When analyzing works of art, the theater repertoire’s 3 aspects of representativeness, artistic value, and continuity has been seen to aid in ‘policy decisions’, ‘production environment’, and ‘feedback system’ for convergence and divergence.