本文从分析诗歌和音乐的定义和起源入手,在诗歌和音乐的构成要素;形式结构;功能作用以及“以诗状乐,以乐入诗”的实例等五个方面来分析研究诗歌与音乐具有同一性,运用多元化文学批评理论来论证这种同一性可以促进文化的多元化发展,对英美诗歌韵律的研究和音乐领域诗词的融和拓宽具有极其重要的文学意义。 This article starts with the analysis of the definition and origin of poetry and music, analyzes and studies poetry and poetry in five aspects: compositional elements of poetry and music, formal structure, function, and examples of poetic music and poetic music. It is of great importance to study the rhythm of English and American poetry and to broaden the range of poetry in the field of music by using the pluralistic literary criticism theory to demonstrate that this identity can promote the diversified development of culture.