This work is known as an anonymous work handed down from the Southern Dynasties to the Han and Wei Dynasties, and is also called "the crown of five words" by Liu Xie in Wen Xin Diao Long, which represents the mature stage of ancient core poetry and is an important milestone in the development of China's poetry. The content of Nineteen Ancient Poems basically reflects the thoughts and feelings of the middle and lower intellectuals of that era, and its subject matter can be roughly divided into songs of wandering in a foreign land and depressed and resentful words of frustrated official career.