南昌起义军南征决策的形成具有其历史必然性,这为考证南征决策的正确性提供了依托。“南下广东”在当时具有至上而下的思想基础,在军队中深入人心,故能在路线争论中取胜,敌方的态度与我方的准备等都更加促进了决策的形成。叶贺南征为中国革命道路的探索提供了实践经验,是先烈们留给我们的宝贵的历史财富。 The formation of the Nanchang Uprising Army’s southern expedition has its historical inevitability, which provides a basis for researching the correctness of the southward expedition decision. “Under the South Guangdong ” at the time with the top-down ideological foundation, deeply rooted in the army, it can win the argument in the line, the enemy’s attitude and our preparation are more to promote the formation of decision-making. Yeh-nan’s levy provided practical experience in the exploration of the Chinese revolution and was a precious historic asset left by the martyrs.