钢琴音乐是德彪西音乐创作中的重要组成部分,两集《钢琴前奏曲》是印象主义音乐的代表作之一。该作品中的主题构成类型有短句式、音型式以及全音音阶、五声音阶等,各种因素的运用都十分富有特色。本文通过对德彪西前奏曲主题构成特征的分析,探究其音乐创作上的技法思维和风格特征,揭示其蕴含的艺术价值。 Piano music is an important part of Debussy music creation, two episodes of “Piano Prelude” is one of the representative works of Impressionist music. The composition of the theme in the composition of short sentences, tone patterns and the whole scale, the pentatonic scale, the use of various factors are very rich. By analyzing the theme composition features of Debussy’s prelude, this paper explores the technical thinking and style features of his prelude to music and reveals its artistic value.