民谣是人们随口吟诵的、被大家口口相传的、用以表达自己的情绪或抒写当时的现实生活的小调。它作为一种文学形式,在文学发展史上占有重要地位,它作为历史的影子,对历史资料有补充印证的作用。 Folk ballads are casually chanted by people and are used by people to express their emotions or express their minor realities at that time. As a literary form, it occupies an important position in the history of the literature. As a shadow of history, it serves as a supplementary proof of historical materials.