"Les Fleurs du Mal" is a collection of poems by the French poet Charles Baudelaire, first published in 1857. The title translates to "The Flowers of Evil," reflecting the themes of beauty, decadence, and the duality of human nature. The work explores the complexities of life, love, and mortality, often delving into the darker aspects of existence. The collection is divided into several sections, including Spleen and Ideal, which contrasts feelings of melancholy with aspirations for beauty. Baudelaire's innovative use of imagery and symbolism has influenced modern poetry, making "Les Fleurs du Mal" a cornerstone of Symbolism and a significant work in literary history.