Pu Songling's " Wild Dog " was a horror novel that showed the dark side of human nature and the cruelty of nature through the story of a wild dog. The image of the wild dog in the novel was extremely terrifying. Its rage, cruelty, and ruthlessness made people shudder. In addition, the story in the novel was also very fascinating, full of horror and strange atmosphere. For example, how the wild dog evolved and became more powerful and terrifying under the pursuit and fear of humans, how it fought with humans to the death and finally became the master of humans, and so on. Wild Dog was regarded as the most terrifying novel because it revealed the dark side of human nature and the cruel truth of nature. Through the story of wild dogs, Pu Songling expressed the desire of human beings to conquer and control the natural world, as well as the disrespect and cruel treatment of life. To a certain extent, this kind of thinking has aroused the readers 'resonance and reflection, making people deeply realize the fragility and preciousness of life. In addition, the plot of the novel was also very scary and strange, making the readers feel an unprecedented tension and fear. Therefore, Wild Dog was regarded as a landmark horror novel and its influence on the development of Chinese literature could not be ignored.