This paper is a part of the researches to characterize and identify the architectural theory of Jun Itami (1937Itami ( -2011 through articles written by him. The keywords were sorted out as items and examined from the viewpoint of hierarchy of the meaning. The first level items of his architectural thought are 【Joseon period】, 【Korea】, and 【Contemporary Japan】. This paper is examining 《Nature》,《Human Spirit》, and 《City》that make up【Contemporary Japan】.