This study examines the transformation of Log Cabin house's plan and section form in Jinjiang village since Han Chinese moved in 1930. The research purpose is clarifying the reasons of transformation based on the analysis of relationship between life style and space using. As the result, several changes were found that a narrow kitchen; kang moved from south to north in Dongwu and Xiwu; a living room ewerged connecting Ting and Dongwu(or Xiwu) etc. Moreover, according to forest law, resource shortage was expressed by roof change.
