Hawthorne's The Scarlet Letter was a novel about racial discrimination and hatred. Through the story of the protagonist, Hayes Hallett, it revealed the cruel reality of racial isolation and violence in the slave society. The novel unfolds from the perspective of the protagonist, Hayes. He is a black worker hired by an American employer. Because of his beauty and gentleness, he is appreciated and respected by his employer and other black people. However, Hayes learned that the union he belonged to provided unfair labor conditions for employers and that his black colleagues were deprived of basic human rights. In the second half of the novel, Hayes began to feel confused and painful about his identity and fate. He found himself involved in a vortex of racialism and became the victim of his original race. Through Hayes 'experience, the novel profoundly revealed the harm of racial discrimination and the importance of human rights.