Modern architecture does a role in terms of connecting traditional and current architecture. In the same time, Which is important part of korean architecture history because of introduction of western architecture. Accordingly, At this meaninglessly going out and leaving of modern architecture, the purpose of this study is systematic researching of 'Cho-sun government-general' interior which is disappeared. I progressed this study to research into the period context at construction of Cho-sun government-general md tendency of architecture and interior at that time. And then understand interior space organization of it. Cho-sun government-general adopted Neo-Baroque style from tendency of that time. Also, showed composite order which is mixed in the Greek temple, the Renaissance and the classic style representing the power. This characteristic is different from current composit order, which is comprehended by our. In order to understand aesthetic value of current straight interior space, It have to be interacted the present and past. But It's averted because it was made in the period of Japanese imperialism. Therefore, We should explore history of interior design that is endowed with sociality and historicity between modern and future interior space as well as current.