民歌是人民在社会实践中为表情达意而口头创作的一种歌曲形式,通过口传心授在群众世代相传中不断得到加工提炼,具有集体创作和不断变异的特点。 Folk song is a form of song written orally by the people in the social practice for the expression of facial expression. Through the oral tradition, the folk song is continually processed and refined by the masses from generation to generation and has the characteristics of collective creation and constant variation.