"The Dying Animal" is a novel by the famous American writer Philip Roth, which tells about the complexity of human relationships, the relationship between old age and youth, and thoughts about sadness and love. The main character, Professor David Kaplan, conducts a frank monologue about his passion for a young student and his fear of the inevitability of aging. The resonant themes of the legendary Roth, his vivid style and the revelation of the psychological motivations of the characters make this novel fascinating for the reader. "Dying Animal" is not only a reflection on love and death, but also a deep analytical thought about one's own existence.