John Christof was a novel written by Dickens in 1839. It was one of Dickens 'masterpieces. The novel tells the story of a humble British businessman, John Christof, who eventually became a top figure in British society through hard work. The protagonist of the novel, Christof, was born in poverty, but he had a proactive heart and an indomitable spirit. In his constant efforts and struggles, he overcame his own predicament and achieved success in his career, and was respected and loved by people. Through the growth of Chris, the novel reflects the social class division, moral values, professional division of labor and other issues in British society at that time. At the same time, it also probes into the theme of human nature, love, friendship, responsibility and so on. This novel is widely regarded as a literary work with deep thoughts and cultural implications, which has had a profound impact on the development of British and world literature.