蔡和森是中共党内第一个提出“中国共产党”名称、第一个传播列宁的建党思想和建党原则、第一个提出“打倒帝国主义”的口号、第一个提出了关于中国社会性质的“半殖民地半封建”社会的概念、创办中共中央第一个政治机关报《向导》、撰写中国共产党的第一部党史《中国共产党史的发展》、第一个对党内曾出现过的机会主义历史进行全面阐述。一、第一个提出“中国共产党”名称蔡和森是最早提出在中国建立共产党的人。1920 Cai Hesen was the first party in the CPC to propose the name of “the Chinese Communist Party,” the first one to spread Lenin’s party building principle and party building principle, the first to raise the slogan of “overthrowing imperialism,” and the first one was a proposal on China Social “semi-colonial semi-feudal” society, founded the CPC Central Committee’s first political organ “guide”, wrote the Communist Party of China’s first history of the “history of the Chinese Communist Party”, the first on the party The history of opportunism that once appeared has been comprehensively expounded. First, the first one proposed that the name of “Chinese Communist Party” Cai Hesen was the earliest person who proposed to establish a communist party in China. 1920