" Rise of the Humble Class " was a story about a student who was born in a poor family and rose to fame through continuous hard work. Although the novel did not explicitly state why the author publicly apologized, the reason could be inferred from some of the plot and character's performance in the novel. Some of the characters and plots in the novel showed the gap and unfairness between social classes. For example, Huo Yuchen's father was an ordinary farmer while his mother worked in a factory. The difference in family background caused Huo Yuchen to suffer certain discrimination and unfair treatment during his growth. These plots caused the author to think and reflect on the social class gap and unfairness. He might think that a public apology could show his understanding and concern about this problem, and at the same time, establish a correct value for the readers. There were also some plots in the novel that showed the author's respect and inheritance of traditional culture. For example, when Huo Yuchen was growing up, he developed a strong interest in traditional culture and became an excellent scholar through his own efforts to learn traditional cultural knowledge. These plots show the author's respect and inheritance of traditional culture. He may think that a public apology can express his respect and inheritance of traditional culture and at the same time establish a correct cultural concept for the readers. In summary, World's Greatest Singer's public apology was to express his attitude towards the social class gap and unfairness, respect and inheritance of traditional culture, and to provide readers with a way of thinking and values.