Baudelaire's Flower of Evil was featured by: 1. Strong social criticism: Baudelaire revealed the injustice, corruption and moral degeneration of the society at that time through his criticism of the Paris society in the Flower of Evil. He criticized the hypocrisy and corruption of the aristocracy and the capitalist class and called on people to get rid of the shackles of these oppressors and pursue true freedom and happiness. 2. Romanticism style: Baudelaire's poetry style was based on romanticism, combining the elements of classical poetry and folk poetry, full of yearning for love, freedom and happiness. His poems were beautiful and poetic, and he often used metaphor, symbolism, metaphor and other rhetorical devices to enhance the artistic appeal of his poems. 3. Love for nature: Baudelaire expressed his love and awe for nature in the Flower of Evil. He described the beauty and mystery of nature in the form of poetry and expressed the harmonious coexistence of man and nature. In his poems, animals and plants often appeared to express the insignificance of human beings and the greatness of nature. 4. Borrowing from classical culture: Baudelaire created a poetic form and language with the characteristics of classical culture through the reference and integration of classical culture in the Flower of Evil. For example, he used the classic poems and images in the Book of Songs and the theme of ancient Greek and Roman mythology to enrich the content and artistic expression of his poems.