Mao Dun's three short works, Twelve Letters to Youth, Cat City, and Spring Silkworm, all explored different topics and social issues. Twelve Letters to Youth was one of Mao Dun's representative works. It described Mao Dun's memories and reflections on his youth, emphasizing the responsibility and mission of young people and encouraging young people to pursue their dreams bravely. Cat City explored the relationship between urban prosperity and human happiness by describing a fictional cat city. Cat City in the novel was a city full of miracles and magic. Humans lived happily here, but at the same time, there were many problems and contradictions. Spring Silkworm tells the story of a mother and her silkworm, emphasizing the power of maternal love and the meaning of life. In the novel, the mother carefully raised the silkworms so that they could bring benefits to herself, while also showing her love and sacrifice for her son. These three short works all deeply reflected the social reality and people's psychological state at that time through different plots and characters, and became classics in the history of Chinese literature.