The Secret History of the Tang Dynasty is a historical novel written by Luo Guanzhong in the Ming Dynasty. It is a masterpiece of Chinese literature and one of the four great classical novels of Chinese literature. The novel is based on the historical events of the Tang Dynasty, and the characters in the novel are mostly real historical figures. The novel tells the story of the rise and fall of the Tang Dynasty, the struggle between the royal family and the courtiers, and the rise and fall of the heroes. It is a vivid portrayal of the political, economic, military, and cultural life of the Tang Dynasty.