毛泽东于1929年5月、6月、12月三次率红四军进驻连城新泉。在新泉,毛泽东通过总结井冈山以来的革命实践经验和党内军内争论问题,进行了一系列的理论思考,1929年6月14日写下了《给林彪的信》,1929年12月率红四军在新泉开展了著名的新泉整训,并起草了古田会议诀议,为中国革命道路理论、建党建军纲领及群众路线的形成进行了理论上的探索。 Mao Zedong in May 1929, June, December three times the Red Army stationed in Liancheng new spring. In Xinquan, Mao Zedong conducted a series of theoretical considerations through summing up the revolutionary practical experience of Jinggangshan and the intra-party military controversy. On June 14, 1929, Mao wrote “Letter to Lin Biao.” In December 1929, The Fourth Army carried out the well-known Xinquan training in Xinquan and drafted the Gutian Conference tactics for a theoretical exploration of the formation of the road of the Chinese revolution, the program of the founding army and the mass line.