Abstract
The Japanese style official residence were built by Chosun bank during the Japanese colonial period. The purpose of this study is to find out the architectural meanings of Chosun bank's official residence, its influences on Korean modem dwellings through trace of the original form and actual survey on the residence. We could understand influences of the rationality, also through the process of prototype's transformation and maintenance's change, we can know that the residence's modernizing process don't have the inflow onesidedly but the process of the collision and the assimilation to the differences between the residential sense and one's culture.