To study the historical change process of China and North Korea, it can be a new study from the perspective of the purpose, the results and the profound influence of the senior leaders of the two countries contact in 1950s. From 1950 to 1959 years, Sino- North Korea high-end contact was divided into early, middle and late three times according to the core issues. the early 1950s (1950-1953), the senior leaders of the two countries focus on the war, the question of military command and the armistice negotiation consultations; in the mid Fifties (1954-1957), the senior leaders of the two countries held series of negotiations on mainly North Korea``s economic recovery and aided by China after the Korean War; in the late 1950s (1958-1959), The senior leaders of the two countries to negotiate mainly on the issue of china troops withdrawal from North Korea and China continued to aid North Korea. Since the two sides were considered from their own national interests, the beginning of each negotiation, there were always differences of opinion, but finally basically reached a consensus. In 1950s, China and North Korea``s frequent high-end contact for the consolidation the regime of the two countries; for the reconstruction of the North Korea``s post-war; for the maintain peace in Northeast Asia, for the special relationship between the two countries have produced significant and far-reaching impact. On the cold war has already ended, and the world political pattern has changed a new era, the relations between China and North Korea have also changed. China began to reconsider the positioning anew of bilateral relations. China firmly that his position: the denuclearization of the Korean Peninsula and maintaining peace and stability in Northeast Asia, and will continue to efforts for peace on the Korean Peninsula.