The following article is based on the household information from Japanese Colonial Period1905 (Meiji 38th year) to 1945 (Showa 20th year), in combination of literature analysis and historical research method, while the content is to investigate the forestry development of Alishan during Japanese Colonial Period with Japanese “carpenter” as subjects whose census record was registered at Chiayi City. In such a way, we will analyze the ancestral hometown of Japanese “carpenter,” and areas they resided in Taiwan and their activity of life-support in Taiwan, so that we can put forth the migration process of Japanese “carpenter” cluster and how they support their life in Taiwan as well as their impact on Chiayi City. It is found from the study that the number of Japanese “carpenter” registered under building business in Chiayi City during Japanese Colonial Period amounts the largest, higher than the number of any other immigrating races. As learned from the registration statistics of census record, the age of these Japanese carpenters to Taiwan is mainly young and mid-life adults aged between 20 to 35, and they had respectively come from 45 first-level administration “ancestral hometown.” As for Chiayi City, the phenomena of population migration and carpenter clustering were stimulated as of the forestry development during Japanese Colonial Period, and it is noted from the sources of information that Japanese carpenter is found with evident sign of relocating to Chiayi City. Besides, it is also found from the registration content of census record among Japanese carpenters that there is clear record of father and son relationship, brother relationship, and also carpenters from the same race or difference race with diverse nationalities “lodged” at the same household, forming the sign of group symbiosis, and the change has also affected the way of heritage.
