The Four Great Classics referred to 'Dream of the Red Chamber',' Journey to the West','Water Margins' and 'Romance of the Three Kingdoms'. They were classics in the history of Chinese literature that were widely praised and read. 'Dream of the Red Chamber' mainly narrated the stories of Jia Baoyu, Lin Daiyu, Xue Baochai, and other characters. It depicted the rise and fall of a wealthy family and the various life styles, expressing the complexity of human nature and the hypocrisy of society. Journey to the West, on the other hand, depicted the story of Sun Wukong, Zhu Bajie, and Monk Sand protecting the Tang Monk from the West. It depicted a thrilling and adventurous adventure, expressing the struggle between justice and evil and the essence of human nature. Water margin mainly tells the story of 108 righteous men rebelling against the ruling class, depicting the weaknesses and defects of human nature and the dark side of society. Romance of the Three Kingdoms, on the other hand, narrated the stories of Cao Cao, Liu Bei, Sun Quan, and others during the Three Kingdoms period. It depicted the political struggles and the art of war, expressing the complexity of human nature and the relationship between loyalty and betrayal. The four masterpieces all have different plots and characters, but they all express the theme of human nature, society and history. They are an important heritage of Chinese literature and culture.