Wang Shuo's Ferocious Animals is a modernist novel with animals as the background. One of the most prominent features is its strong realism. Through describing the living conditions and psychological states of animals in urban life, the author shows the various difficulties and challenges faced by humans in the urban environment. In addition," Ferocious Animals " also had deep human thoughts and emotional descriptions. Although the animals in the novel looked cold and lonely, they showed strong emotional fluctuations and human exploration when facing the pressure of survival and the test of human nature. Through the fate and growth of animals, the author explored the good and evil, desire, self-realization and other issues in human nature, showing profound thoughts. Wang Shuo's Ferocious Animals displayed a unique animal world and exploration of human nature with a strong realistic style, profound human thinking and emotional description.