姜白石本名姜夔，是我國南宋詞人兼作曲家，一生布衣，寄人籬下，雖然坎坷潦倒，仍然清剛傲骨，令人尊敬。姜白石詞樂作品17首，是保存到今天唯一的宋代樂譜，內含自度曲14首，詞曲一體，曲風高雅，縹緲清空，為後世留下珍貴藝術歌曲典範。有關研究姜白石的著作既多且廣，尤以楊蔭瀏在1954年的《白石道人歌曲研究》一文中對姜白石的詞調論述甚詳，惟對姜氏詞樂之結構風格及演唱方法甚少論及，本文將從體裁結構、旋律特徵、調式及轉調運用來探討姜白石的詞樂結構特徵與風格。本文研析姜白石詞樂之作曲手法，見識古人亦懂得運用諸多音程變化及轉調手法來表現聲情之美。

Jiang Bai Shi (姜白石) is a Ci (lyric) writer and composer in Southern Song Dynasty. He retained plain life style and depended on others throughout his life. Although kept living in tough condition, he had been respectful because he never looked down himself and resisted any inappropriate rewards.The seventeen songs in the collection of Jian Bai Shi’s Ci music are the only music scores which has been preserved since Song Dynasty. There are fourteen songs called “Ziduqu”, means it is written and composed by the same person. The lyric and melody of Jiang Bai Shi’s songs are integrated well with unified style in elegant and unrestrained way. They are the model of artistic songs and treasurable legacy for the offspring. There were many research about Jiang Bai Shi, especially Yang Yin Liu's (楊 蔭瀏) research of Jiang Bai Shi's songs (白石道人歌曲研究), written in 1954.The description is very clear, but lack of the research about music structure and singing method.This paper will discuss the structural characteristics and style of Jiang Bai Shi's Ci music according to its genre structure, melodic features, modes and implementation of transpose.Therefore, by researching and analyzing Jiang Bai Shi’s composition style, it can be seen that ancient people also know how to use the variation of interval and modulation to present the beauty of music, this was not anticipate before.