Claude Debussy (1862-1918) was an outstanding composer in French mélodie history. He composed approximately 80 songs, and chose to set poetry of his contemporaries, notably Verlaine and Mallarmé. Discussing Debussy¡¦s two sets of Verlaine¡¦s poetry, Fêtes Galantes I and Fêtes Galantes II in the study which explored the connection between literature and painting, and the combination of the melody, harmony and poetry as a complete entity. The research includes four main parts: the biography of Claude Debussy, Debussy¡¦s mélodie style, Watteau¡¦s painting style of Fêtes Galantes, Verlains¡¦s Les Fêtes Galantes, and the analysis of Debussy¡¦s Fêtes Galantes I and II. Debussy¡¦s ability to blend of the declamatory style, variety of accompaniment patterns, and fluid harmonic structure makes his mélodie unique in the history of French songs.