Abstract: The changes in the main contradictions of society reflect the fact that economic, political and cultural factors have changed under certain social and historical conditions. It is the objective basis for the Chinese Communist Party of China to correctly establish its historical mission. The Communist Party of China has combined the major social contradictions at different historical stages with the realization of the great rejuvenation of the Chinese nation to find the mission entrusted by the times. In the new era, the Communist Party of China scientifically grasps the new changes in the main contradictions of society, and thus establishes its mission as “four greats”. The two are related to each other. The former is the important basis of the latter, and the latter is the only way for the former. The two are unified in the national conditions of the primary stage of socialism.

Key words: major social contradictions, the ruling party, historical mission

摘要： 社会主要矛盾的变化反映了一定社会历史条件下的经济、政治和文化等因素变迁的事实，它是中国共产党正确确立历史使命的客观依据。中国共产党把不同历史阶段的社会主要矛盾和实现中华民族伟大复兴结合起来，找到了时代所赋予的使命。进入新时代，中国共产党科学把握了社会主要矛盾的新变化，从而确立其使命是“四个伟大”，两者互为关联，前者是后者的重要依据，后者是前者的必经之路，两者统一于社会主义初级阶段的国情。

关键词: 社会主要矛盾, 执政党, 历史使命