Dream of the Red Chamber was a monumental work of Chinese classical literature and was regarded as an encyclopedia of China's feudal society. This novel depicted the rise and fall of a family, and displayed the various systems, customs, and cultures of China's feudal society. Its narrative style, character image, plot arrangement and other aspects have a very high artistic level and literary value. It is a classic work of Chinese classical novels. The Chinese social customs and cultural information depicted in Dream of the Red Chamber were very rich. For example, the novel depicted many traditional Chinese costumes, architecture, cooking, music, dance, and other details, reflecting the style and essence of China's feudal society. In addition, Dream of the Red Chamber also involved a lot of political, religious, moral and other aspects of information, such as the family system, the concept of patriarch, feudal etiquette, Buddhist ideas, etc. These information had a profound impact on China's feudal society. The characters depicted in Dream of the Red Chamber were also very rich. There were many representative characters in the novel, such as Jia Baoyu, Lin Daiyu, Xue Baochai, etc. These characters represented different classes, different personalities, and different thoughts of people in China's feudal society. To sum up, Dream of the Red Chamber is an encyclopedia of China's feudal society. It contains a very high amount of information and artistic value. It is an indispensable work in the history of Chinese literature.