Call of the Wild and Wild Dog on an Isolated Island are two very famous novels. The following are their main contents: The Call of the Wild was a science fiction novel written by Faulkner in the United States. It told the story of a human explorer named "Jack" who encountered a mysterious group of creatures on his way to Africa-"wild beasts" and started a life and death struggle with these creatures. In the novel, the " wild beast " was a giant creature similar to a mammal-like creature. They lived far away from humans and hunted for a living. Jack met these creatures on his expedition and found that they had a unique language and behavior. Through communicating with them, he gradually learned about their existence and living habits. The wild beasts in the novel were not only mysterious creatures but also a world closely related to humans. Humans play an important role in the world of wild beasts. They have established a complex relationship with wild beasts, and this relationship is constantly changing with human activities. The Call of the Wild explored the relationship between humans and nature through a mysterious world of wild beasts, as well as the role and position of humans in the world. The novel was full of sci-fi and adventure elements, but it also expressed respect for life and reverence for nature.