Tramp novels usually used the life of a tramp as the main line to describe his life experiences and life stories to show the gap between social classes, the complexity of human nature, and the unpredictability of fate. Tramp novels often described the protagonist's wandering life in the city, encountering all kinds of people and things, experiencing all kinds of life setbacks and tribulations. At the same time, they also described the difficulties and challenges they faced, as well as the pain and contradictions in their hearts. In tramp novels, there were often some human characters who expressed different views and attitudes towards the protagonist's experience, and at the same time provided some enlightenment and help to the protagonist. The tramp novel mainly talked about the life experiences and life stories of an ordinary person in the urban society. It showed the dark side of human nature and the gap between social classes, and also expressed people's desire and pursuit for life.