There are various factors involved in the constructional design of Chinese traditional architecture in Taiwan From the descendent constructional taboos and the secrets of measurement passed on orally, it is obviously mixed with both abstract and practical concept For example the permutations of the five primary elements, the geomancy of Chinese pholosophy, the Light Diagrams, oral secret of measurement and the constructional principles related to images of religion all deeply reflected upon early housing design of traditional types The contents of this study focused on the analysis of design images and constructional principles Henceforth, based on the above findings, a stud of that will provide some stabilizing and stabilizing references for further developments.