The author is a university teacher. He uses his own experience as the material, uses documentary techniques and original language style to record a teacher-student love affair that happened on the university campus. Through this tragedy of teacher-student love, it tells readers: Extramarital affairs are like poppies, beautiful but with hidden poison. Extramarital affairs bring many adverse consequences to individuals, families and society. Thought provoking and heartwarming. At the same time, the author uses multi-angle and wide-field writing to show readers all aspects of today's society, such as the difficulty in finding a job for college students, the phenomenon of black agents, the shortcomings of current education, social corruption problems, romance on college campuses and other phenomena. Through the protagonist's story, readers can see a microcosm of society. The theme of the novel is healthy and uplifting, and has strong social significance. It is a masterpiece of realism.