1927年9月,毛泽东率领秋收起义部队来到江西省永新县的三湾村。在这里,毛泽东对部队进行了一次整顿和改编,这就是著名的“三湾改编”。“支部建在连上”的基本原则就是“三湾改编”时确立的。“三湾改编”的内容是:把原来的工农革命军第一军第一师缩编为工农革命军第一军第一师第一团,并明确要求在部队中建立起共产党的各级组织,在营、团建立党委 In September 1927, Mao Zedong led the Autumn Harvest Uprising troops to Sanwan Village, Yongxin County, Jiangxi Province. Here, Mao Tse-tung conducted a rectification and reorganization of the army, which is known as the “Three-Bay Adaptation.” “The branch is built even connected ” the basic principle is “Three Bay adaptation ” established. “Three Bay Adaptation ” content is: the original worker-peasant revolutionary army first army first division reduced workers and peasants revolutionary army first army first division regiment, and clearly requested in the army to establish the communist at all levels Organizations, camps, regiment established party