《特里斯坦与伊索尔德》这部作品创作于瓦格纳音乐思想、风格技法发生重要变化的时期,在瓦格纳的音乐创作以及整个西方音乐的发展历史中都具有极其重要的地位。本文对《特里斯坦与伊索尔德》前奏曲进行和声技法的研究,其目的是把握瓦格纳音乐创作中最个性、本质的东西,加深对19世纪后半叶音乐的理解同时对于20世纪的西方音乐发展的渊源也有着进一步的了解。 Tristan and Isolde was created by Wagner in a period of momentous changes in his musical thinking and style and technique, and plays an extremely important role in Wagner’s musical composition and the history of the development of western music. The purpose of this thesis is to study the harmony technique of the prelude of Tristan and Isolde. The purpose of this article is to grasp the most personal and essential things in Wagner’s music creation, deepen the understanding of music in the second half of the 19th century, The origin of Western music development also has a better understanding.