朱践耳的钢琴叙事诗《思凡》以奏鸣曲式来刻画人物的内心世界,表达了对人性的肯定。本文主要从作品的曲式结构来进行赏析,来诠释作品具有哲理思辨性、散发人性光辉的一面。 Zhu Jian’er’s piano narrative poem Sifan uses the sonata to depict the inner world of characters and express his affirmation of human nature. This dissertation mainly analyzes the music structure of works to explain the philosophical speculation of works and the radiance of human nature.