The project "New Development Trend of Peninsula Situation" is a general project of the National Social Science Fund of China. The Korean Peninsula issue is a long-term focus and hot issue that the international community has paid close attention to, and many countries are conducting relevant research from their perspectives. To summarize and sort out the long-term research results on the Korean Peninsula issue at home and abroad, China needs to track and study the development trend of the new situation in the Korean Peninsula and to play an important role in related affairs. Demands enable my country to grasp the initiative in order to change Northeast Asian. This is a historical opportunity and a request of our major national interests.