This thesis focuses on the music of the eighteen-century German composer, Ludwig van Beethoven, and his Sonata for Horn and Piano.

Through an understanding of the Ludwig van Beethoven's life, his compositional styles, and a detailed analysis of his Horn Sonata, the author attempts to seek an ideal manifestation in interpretation.

The first chapter＜Preface＞, report motive of research; The second chapter＜Composer's life＞, introduce Beethoven's life, background of the age and representative works; The third chapter＜Analysis of music＞, analyze Beethoven's Horn Sonata; The fourth chapter＜Interpretation of music＞, explain Beethoven's Horn Sonata; The fifth chapter＜Conclusion＞, Conclusion of the report.