“古典”在音乐史上是指18世纪末19世纪初形成的“维也纳古典乐派”。所谓奏鸣曲是一种乐器音乐的写作方式,而钢琴奏鸣曲是古典乐派中的重要组成部分。本文主要以奏鸣曲式、古典乐派钢琴奏鸣曲第一乐章以及典型奏鸣曲式的特征进行分析,以供参考。在18世纪末19世纪初,通常采用奏鸣曲式的结构来演绎钢琴奏鸣曲的第一乐章,因此,在该时期,奏鸣曲式被运用相当广泛。随着音乐家的改革与创新,奏鸣曲式也出现不 “Classical ” in the history of music refers to the “Vienna classical music school” formed in the late 18th century and early 19th century. The so-called sonata is a musical instrument writing style, and the piano sonata is an important part of classical music. This paper mainly analyzes the features of the sonata, the first movement of the classical music piano sonata and the typical sonata, for reference. In the late 18th and early 19th centuries, sonata movements were commonly used in the first movement of the piano sonata, using sonata structures. With the musician’s reform and innovation, Sonata also appeared not