The purpose of this study is to examine the trasfiguration of the inner-courtyard (MADANG) at the single-detached urban dwellings in Taegu using the documentary research and survey method. The data was analyzed by the frequency, percentage, and x2-test. The major finding of this study was that the conventional meaning of the inner-courtyard existed in the designation and necessity, facilites, and needs in the future of the open space at the single-detached urban dwellings. Although people who were in their 30s favored the western style of house and garden, people who were in their 50s favored the traditional style of inner-courtyard. Finally, the concept of inner-courtyard at a single-detached urban dwelling is gradually changing to that f westren garden.