二胡曲《二泉映月》是我国近代杰出的民间作曲家和音乐演奏家阿炳仅存的六首传世之作中思想性和艺术性较高的一首。本文以《二泉映月》作为研究对象,通过分析该曲的创作背景及其广为流传的原因进而论述传播媒介的变迁对传统民间音乐的影响。 Erhu Opera “Er Quan Ying Yue” is one of the only six ideologically and artistically handed down pieces of the only surviving works of Bing, an outstanding folk composer and musician in modern China. In this paper, “Er Quan Ying Yue” as the research object, by analyzing the song’s creative background and its widespread reasons and then discusses the changes in the media on traditional folk music.