The purpose of this research is to demonstrate the indivisibility between changes in the religious policies of North Korea and the building process of Jucheism as the state religion of North Korea. In North Korea, only Jucheism determines every issues of religion, and builds religious policy. So we must focus on the Jucheism to know the real reason of changing religious policies in North Korea. Political religion is the religious or quasi-religious regard for certain civic values and traditions found recurrently in the history of the political state. Such regard may be marked by special festivals, rituals, creeds, and dogmas that honor great personages and events of the past. In North Korea, the only tradition is Anti-Japan Military Struggle tradition, and the only creed is Jucheism, and this tradition and ideology are due to one personage, the Great Leader Kim Il Sung. All the festivals, rituals, hymns, films, plays celebrate the Great Leader. It is obvious that Juchism which is consist of Marx-Leninism, humanism, and nationalism is the only, and strong political religion of North Korea. Jucheism was born in the period of Japanese Imperialism, so its asks concern about the destiny of the nation, the salvation of the nation's destiny, the regaining of the nation's life, and the achievement of the eternal life. In fact, all this concern is religious concern, in other words, ultimate concern. Starting with religious question, Jucheism has been more and more religious with its answer that the eternal life, Sociopolitical Life can be given through Sociopolitical Organization by the Great Leader. According to Ninian Smart, there are six dimension in every religion. They are consist of dogma, experience, myth, ritual, ethics, and organization. This frame will offer the most proper device to search the most veiled and the nearest state. After the study, we will see that Jucheism is the political religion of North Korea, takes the position of state religion, and North Korea is a confessional state.