Abstract: French art song is a music genre with the nature of chamber music. Usually accompanied by piano, French art song often uses falsetto and halftone to create the aesthetic artistic conception of the works and carefully depicts the characters by adopting the singing technique of comparing the strength of expression marks, so as to express the elegant and romantic mood of poetry. The singing characteristics are as follows:correct interpretation of content, phonetic characteristics of French, sound processing in singing, emphasizing the role of piano accompaniment and paying attention to emotional expression.