1949年7月至1950年初,中国人民解放军中的一大批朝鲜民族官兵先后返回朝鲜,成为朝鲜人民军主力。这些部队何时形成、主要人物为何人、他们是如何返回朝鲜的,这一事件与朝鲜战争究竟有何关联?本文从朝鲜移民史的背景入手,对中国朝鲜族所具有的双重特点、朝鲜族部队的形成及其返回朝鲜的经过进行历史考察,回答上述问题。 From July 1949 to the beginning of 1950, a large number of Korean nationality officers and men in the Chinese People’s Liberation Army returned to North Korea successively and became the main force of the KPA. When did the troops form and what are the main characters and how did they return to North Korea? What is the relationship between this event and the Korean War? From the background of the history of North Korean immigrants, this article analyzes the dual characteristics of Chinese Koreans, The formation of troops and their return to North Korea after a historical inspection to answer these questions.