In the 50th and 60th of the 20th century, the development of the Sino-Soviet relation may be said the path winds along mountain ridges, full of twists and turns or ups and downs. The Sino-Soviet relation has gone through forming an alliance and following honeymoon in the fifties, and develop into the breaking of the national relation and party relationship in the sixties. The development of the Sino-Soviet relation, especially the rupture of Sino-Soviet relation has caused inestimable losses to the international communist movement and the two countries at that time. The international communist movement is split greatly, and move towards the low ebb progressively. Two Sino-Soviet countries fall foul of each other, which have caused a series of questions such as the border and national conflict, etc. It causes the incomparable negative effect to both sides' politics, economic and foreign relations.Why did Sino-Soviet relation change so deeply within so transient time? Especially it is beyond belief that more and more prosperous Sino-Soviet relation on the surface " suddenly "reaches the situation that national relation is serious damaged, and party relationship totally breaks. In the initial stage when the Sino-Soviet relation breaks, Sino-Soviet both sides shirk responsibilities to the other side. Both sides at that time explain from one's own ideology, and attack the other side's ideology faith each other so as to prove itself is the Marxism-Leninism orthodox school. With the development of time and the open of the relevant files material, especially since latter half of 1990s, more and more scholars begin to care about the real reason of Sino-Soviet splitting, and put forward such national benefit say, ideology say, leader individual say, development path say etc. At the same time those who go through the Sino-Soviet splitting in those years have mentioned the Sino-Soviet reason by way of having an informal discussion and memoir from different angles.This text attempts to catch two threads that run through Sino-Soviet related to development tightly: National benefit close and conflict, unity and difference of ideology, finding the reason that relation breaks in concerning from national benefit and interdynamic of ideology. The full text divides into four chapters altogether: Chapter one sketch the course that the Sino-Soviet relation breaks, and the research results of the reason about breaking both at home and abroad in recent years mainly; Chapter two proceed with explanation of the national benefit, introduce the Sino-Soviet both sides' different explanation to each country's benefit. With forming an alliance relation for big background, it discusses the maintaining for prerequisite with alliance national foundation reason of benefit while being Sino-Soviet. Considering from geopolitics, national security strategy, national relation normal form, social economic development, etc. several respect probe into in form an alliance with honeymoon national unanimous and conflict of interests, both sides of stage, while being Sino-Soviet, And the sharp collision of the Sino-Soviet national benefit of latter half of the fifties of the 20th century; Chapter three attempt to probe into ideology and dispute, which has the malignant influence on the Sino-Soviet national relation from another aspect. Mainly from both sides heavy difference such as the SovietCommunist Party 20 heavy, Stalin issue, three peace route, development path headed by Soviet to explain the really essential of ideology difference, and to dispute the enormous destruction function on the relations of both ideology. Chapter four explain mainly the rupture of Sino-Soviet relation on the domestic influence to both sides, and how to think about the role of the national benefit and ideology correctly. |