L. v.Beethoven have had a profound impact on many musicians for generations. He composed many important works. Among them, the thirty-two piano sonatas reflect Beethoven's own development in music, and their styles have influenced many composers of later generations. This paper aims to study Beethoven's Piano Sonata in A Major, Op. 2, No. 2. It is divided into three parts. Chapter one is an introduction, including the research motivations, purposes and methods. Chapter two depicts Beethoven's life and his early music styles. Chapter three reveals the background of Beethoven's Piano Sonata in A Major, Op. 2, No. 2, provides the musical analysis, and then discusses the performance techniques and Interpretation of the work.