Dream of the Red Chamber is a classic work of Chinese classical literature. Its theme is complex and includes many aspects. One of the main topics of the novel was "The Love Story of Jia Baoyu and Lin Daiyu", which depicted the emotional entanglement and tragic fate between the two important characters. This story expressed the questioning and reflection of traditional morality and values, as well as a deep insight into human nature and emotions. The other main theme was "the decline of the family and the fall of human nature", which emphasized the rise and fall of the four families in the novel, including Jia, Wang and Xue, as well as the greed, selfishness, cruelty and other human problems they showed in this process. Through describing the behavior and attitude of these family members, the novel reveals the complexity and variety of human nature, and also expressed the criticism of traditional morality and values. In addition, the novel also involved many other topics such as "love and marriage","friendship and betrayal","fate and impermanence","human nature" and so on. These intertwining topics formed the complex and profound theme of Dream of the Red Chamber.