The main objective of this study is to examine the realities and problems of North Korean research trend in South Korea. Until 1970's North Korean research was advanced from anti-communism ideology and cold war atmosphere inside. It passed by a democratization process and North Korean research was stepped a new change phase. To raise the level of North Korean research, first of all, the system which verifies a research result is necessary. It will reach and to lead problem of duplication research must be solved. To make the North Koreanology, North Korean researchers must develop a research method and must be complete in fundamental research. To raise the specialist who is competitive power, it must improve the university and graduate school curricula of North Korean Studies. The main contents of this article is to answer related questions such as: What is the result of North Korean research? What kind of change process? What are the main reasons of change? How is the research present condition? What are the problems? What are the improvement programs?