1924年国民党改组前后,孙中山所依靠的旧军队是广州革命政府的支柱。这些旧军队经过不断的改造和分化,构成了1925年7月成立的中国新型军队──国民革命军的主干之一,奠定了北伐胜利进军的军事力量基础。本文试从旧军队的改造和国民革命军的建立入手,考察苏联帮助下的国共双方对 Before and after the Kuomintang reorganization in 1924, the old army on which Sun Yat-sen relied was the backbone of the revolutionary government in Guangzhou. After continuous transformation and differentiation, these old military formations constituted one of the backbone of the new Chinese army established in July 1925, the National Revolutionary Army, and laid the foundation for the military strength of the victory of the Northern Expedition. This article attempts to reform the old army and the establishment of the National Revolutionary Army to start with an examination of the Soviet Union with the help of both parties