It is Qu Yuan's masterpiece and a long autobiographical political lyric poem that shines through the ages. The whole poem profoundly shows Qu Yuan's political ideal and its contradiction with the old forces of Chu, and pours out his psychological pain and hesitation. His ardent love for his homeland and unremitting pursuit of ideals have become the righteousness of the world. Li Sao has a strong romantic spirit, passionate emotions, high style and magnificent colors. He is also good at skillfully using the materials of myths and legends to gallop the imagination, among which "Parade of China" has become a classic chapter of this kind of description in ancient China literature. The metaphor of vanilla beauty also has a great influence on later poems, epics and ancient poems.