The purpose of this paper is to analyze the history of the planning concept of City Planning Parks in Tokyo through the case study of Shinozaki Park. The following 4 points were clarified. 1) The planning concept of Shinozaki Park varies in times, such as prevention of urban expansion, homeland defense, buffer green belt for city planning road, and regional park. 2) The planning area of Shinozaki Park has been decreased by the urbanization pressure since 1960s. The local issues were given the priority over the large-scale issues at that time. 3) Between 1930s and 1950s, the planning concept was consisted of both city planning park system and green zoning system. However, after 1960s, these basic methods were treated separately. 4) The public land escaped from the emancipation of farming land, played a significant role in the implementation of park construction.
