"Dream of the Red Chamber" was an outstanding novel in the history of Chinese literature. It was hailed as the pinnacle of ancient Chinese novels and a classic in the history of Chinese literature. The main reasons for being selected as one of the Four Great Classics of China were as follows: Dream of the Red Chamber has an extremely high literary value. The novel takes the lives of the Jia, Shi, Wang, and Xue families as the main line to show a complete feudal dynasty, the palace society, the plot, the twists and turns of the characters, the rich writing, the delicate emotions, and the sincere literary charm. "Dream of the Red Chamber" has a profound meaning. The novel takes the fate of Jia Baoyu, Lin Daiyu, Xue Baochai and other characters as the main line, reflects the decadence of feudal society and the distortion of human nature, and probes into the meaning of life, love, marriage, friendship and other philosophical issues, which have profound thoughts. 3. Dream of the Red Chamber has a wide range of social significance. The novel described the various ills of the feudal society of the Qing Dynasty, reflecting the ugliness of human nature and the corruption of the feudal society, which had a profound impact on the social history of ancient and modern China. Dream of the Red Chamber has a unique artistic charm. The novel's narrative structure is ingenious, with the rise and fall of the Jia, Shi, Wang and Xue families as the main line, forming a complete story system with unique artistic charm. To sum up, the reason why 'Dream of the Red Chamber' was selected as one of the Four Great Classics of China was that it had extremely high literary value, profound ideology, extensive social significance, and unique artistic charm. It was a classic work of ancient Chinese novels.