Du Mu was a litterateur in the Tang Dynasty. He was conceited and resourceful, and was famous for his poems. The most famous work in this article is "A Fang Gong Fu", whose poems are lively and meaningful, and the quatrains are especially praised, which is known as the world's small Du. Just like Li Shangyin, they are collectively called "Little Du Li". Influenced by Du Fu and Han Yu, Du Mu's ancient poems have a wide range of themes and strong brushwork.