文章通过对1956年苏共二十大以后国际共运中一些重大事件的分析和研究,提出大论战的发生主要是因为中苏两党在许多理论与实践问题上的矛盾和冲突,而造成这种矛盾和冲突的主要原因之一是中国党从“左”的角度来理解、实施这些理论与实践。 After analyzing and researching some important events in the international communist movement after the XXI Congress of the Communist Party of Soviet Union in 1956, this article argues that the occurrence of the grand controversy is mainly caused by the contradictions and conflicts between the two parties on many theoretical and practical issues, One of the main reasons for the conflicts and conflicts is that the Chinese party has understood and implemented these theories and practices from the perspective of “leftist”.