The main body of this research paper is based on L. v. Beethoven: Sonata for Violin and Piano, Op.30-3. I divided it into five chapters. The first part is introduction, including motivation, scope and method. The second chapter is L. v. Beethoven’s biography, productive period and music style. The third chapter is music analysis. The fourth part is musical skill and style of interpretation. It also provide some feedback from performer. The last chapter is the conclusion.