The purpose of this study is to analyse comparatively the diverse expressive aspects of high-tech design in the interior space of the High-Tech architecture in the inside and outside of the country. To achieve the purpose of this study, the methods and contents are as follows: 1. Extracting the diverse expressive aspects of high-tech design in the interior space from the character of high-tech architecture. 2. Explaining the diverse expressive aspects of high-tech design in the interior space. 3. Analysing and estimating the diverse expressive aspects of high-tech design in the interior space in the inside and outside of the country. In conclusion, showing the diverse expressive aspects of high-tech design in the interior space in the inside and outside of the country.