"Demos" is a novel by the English writer George Gissing, in which he recreated the life of the lowest strata of London society in the 19th century. The main character, Demos, is forced to work in difficult conditions and fight for survival and dignity. The author successfully reproduces the social problems of his time, exposing the ruthlessness of the social system and reflecting the psychological aspects of the individual. With the help of lively speech and in-depth analysis, the author paints a picture of the life of the poor, emphasizing the hero's internal struggle with external circumstances. "Demos" is a work that leaves readers with important thoughts about social justice and human dignity.