中国共产党第一次全国代表大会及会后，决定并建立的中央机关部门有哪几个？是否成立了中央组织部？中共党史、中共组织史长期以来存在着不同讲法，至今仍似清不清。笔者经过考证，在肯定一大是选出了“临时中央执行委员会”并非选举中央局后，特对一大后中央机关部门的设立， Which of the central organs and departments that have been decided and established after the first National Congress of the Communist Party of China and its session? Has the Central Organization Department been established? Since the CPC history and the organization history of the CPC have existed for a long time, there are still different explanations, which are still unclear. The author after research, in affirming one is elected “temporary central executive committee” is not the election of the Central Bureau, especially after the establishment of a central government departments,