In the pass, the urban historical research of Taiwan were focused on two major researches, the probing of urban planning legal system according to the progress of urban development, and the research of urban forming of its development history. Nevertheless, these researches has been persisted nearly 2 decades, the organization of the urban construction seldom focus on such discussion. The author once concentrated his research on the official urban construction principal, but this article is using the unofficial urban construction principal as the research example which focusing on its produce element, progress, career connotation, reward and restriction events, to figure out the characteristic of the urban construction principal through this analysis. This research aims to accumulative the history of urban construction in Taiwan progressively and forms a foundation which directly against the current scantier part-The development career of the process of land and residence. Through this research could comprehend the former career technique which has been developed at that time, and in the mean time, this technique carry out an enlightenment of cooperation between the officials and citizens to activate the progress of urban renew.