“三韩”受汉文化滋养较多,在乐浪郡设置之后,表现尤为明显,本文从政治》经济、文化等方面分析论述了乐浪与“三韩”的关系,指出乐浪郡在其存续期间在向朝鲜半岛南部传播中原文化方面所起到的桥梁作用,明确“三韩”文化中的某些汉文化因素。 “Three Koreas ” is more nourished by the Han culture, especially after the setting of Lelang County. This article analyzes the relationship between Le Lang and “Three Han” from the aspects of politics, economy and culture. Langfang played a bridge role in spreading the Central Plains culture to the southern part of the Korean Peninsula during its existence and clarified some of the Han cultural factors in the “Three Koreas” culture.