"Light in August" is a full-length novel written by the American writer and Nobel Prize winner William Faulkner, which is also one of his representative works.The novel reveals the lives of several main characters and their three generations of family history through a description of ten days of social life in Jefferson, reflecting the true emotions, love, compassion, pride, mercy, and spirit of sacrifice deep in the human soul from ancient times to the present, demonstrating the author’s opposition to racial and religious prejudices.The story mainly follows two plot lines. One tells the story of Chrismas, who was sent to an orphanage as a child. Suspected of being a "mulatto", he lost his "identity" and suffered various abuses from society, ultimately leading him to kill his last white lover and be executed by whites. The other line focuses on the rural girl Lena, who was abandoned after falling in love with her lover and getting pregnant. She walked to Jefferson to find her lover.The work has great influence. As the critic George O’Donnell once said, on the whole, "Light in August" is more mature, broader in vision, and closer to ultimately and truly revealing human potential than any other work written by Faulkner.