《悲惨世界》是目前世界上各大剧院卖座率最高的优秀音乐剧之一。它将法国著名作家雨果的文学巨作向新兴的艺术形式——音乐剧形式进行过渡，使音乐变为主要表现形式，并借助戏剧、舞蹈、现代化舞台美术等辅助手段来更完美的诠释作品。《悲惨世界》不仅是文学史上的一个永恒经典，更是音乐剧史上丰碑。基于此，本文以《悲惨世界》为例，对音乐剧中的美声唱法进行研究。文章首先分析了音乐剧的起源以及与歌剧联系，然后分析音乐剧的演唱类型。接着分析音乐剧《悲惨世界》中的唱段《Stars》，并对如何将美声唱法应用到音乐剧的演唱中进行分析，主要分为两个方面：把握气息音色的共鸣和语言节奏情感。

Les miserable is one of the world's highest box office good musical. This is a literary work of the famous French writer Victor Hugo. The musical art of the transition make music become the main means of literary image for music image. The aids of dance, such as drama, stage performance are rich. It is not only a monument in the history of Literature, but also a great production of musical’s. Based on this, the paper gives an example of les miserables, the study of bel canto in the musical. This paper analyses the origin of the musical and pattern and contact, and then analyzed the singing of the musical type. Then analyzing the characteristics of the musical les miserables song and singing style. Finally, this paper combine the aria in les miserables "Stars" analysis of bel canto in the musical, and on how to apply bel canto to analysis in musical singing, mainly divided into two aspects: grasping the resonance of the sound and rhythm of language emotion.