The Tang Legend was a narrative form in ancient Chinese literature. Its development stage could be roughly divided into the following stages: 1. Founding stage (from the end of the 9th century to the beginning of the 10th century): Main, Wang Zhihuan, etc. The works of this stage mainly described the historical figures and events of the Tang Dynasty, reflecting the style and cultural characteristics of the Tang Dynasty. 2. Stage of development (from the end of the 10th century to the beginning of the 11th century): mainly, Liu Yuxi, etc. The works of this stage began to focus on describing social reality and people's lives, showing the author's concern and criticism of the social and political reality of the time. 3. Maturing stage (from the end of the 11th century to the beginning of the 12th century): Main stage, Yuan Zhen stage, etc. The works of this stage were more colorful, not only describing the politics, economy, culture and other aspects of the Tang Dynasty society, but also involving modern ideas and cultural content, forming a unique literary style and language characteristics. 4. Decline stage (from the end of the 12th century to the beginning of the 13th century): mainly, Xin Qiji, etc. At this stage, the content of the works gradually decreased, and the content began to lean towards describing history and legends, showing the author's cherish and protection of traditional culture. The main characters of Tang Legend, Wang Zhihuan, Liu Zongyuan, Liu Yuxi, Bai Juyi, Yuan Zhen, Lu You, and others. All of these together created the unique charm of the legendary literature of the Tang Dynasty.