In this study, focusing on the Japanese style houses which were constructed as owned house on Qing-Tian street in Japanese colonial period, the interview for the Japanese who had lived there in the period and the Taiwanese residents who are living in the houses was conducted. In addition the more the additional interview and measurement to confirm the consideration by them were conducted and the transformation of these houses are analyzed from Japanese colonial period to present. These houses were constructed as Japanese permanent house. After World War II Taiwanese residents stay living in these houses and maintaining these characteristics in their earliest days although extension and remodel were conducted. Some of extensions and remodels are not fit Taiwanese resident's life style. However these characteristics are consciously maintained by them. That is, although these Japanese-style houses on Qing-Tian street which was apart from Japanese residents, It becomes clear that Taiwanese residents have been living in them with consciously conservation.
