As an important componant of Marxist ethnic theory, Marx and Engels unity theory, at the beginning of its formation, has its own specific historical conditions and the scientific connotation.

• 摘要作为马克思主义民族理论的重要组成部分，马克思、恩格斯民族团结理论在其产生初始就有着其特定的历史条件及科学内涵。