Abstract
The goal of this research based on Ulsan area under the rule of Japanese imperialism is to find out how the change of urban function have influenced to the city by analyzing the phase of change in population, land use and facilities which are the basic elements of urban construction. The result shows that until the time of analysis, the change of urban function has remained the same in terms of daily life of urban characteristics from the past whereas there is huge difference in application of land use, facilities and infrastructure.