Lu Xun's Dog, Cat, and Mouse was a novel that described the fate of individuals. It mainly described the story of a cat, a mouse, and a group of dogs. Through the description of these animals, the author expressed his criticism of human nature and his concern for the fate of individuals. In the novel, cats represented those individuals who were forgotten by society, bound by the system, and manipulated by fate. They had no status in this society and could not obtain freedom and dignity. Rats represented individuals who desired freedom and dignity. Although they were in trouble, they still stubbornly pursued their dreams. Dogs represented responsible, conscientious, courageous, and responsible individuals. Although they were in trouble, they still adhered to their beliefs and principles and contributed to society. Through this story, Lu Xun expressed his concern for the fate of individuals and also called for people to pay attention to those individuals who were forgotten and bound by society and fight for their freedom and dignity.