The thesis topic is Chopin's four piano ballads, a total of seven chapters, the first chapter explains the motive and purpose, and relevant literature review; second chapter describes Chopin's life and background of Chopin's music style and performance skills to understand, then expounded the development and characteristics of Chopin Ballade four piano Ballade; Chapter III to Chapter VI will Chopin Ballade were first analyzed four studies, including creative background, creative features and interpretation philosophy; final conclusion will be a four Ballades collate.