San Yu's painting themes are divided into nudes, still life, landscapes and animals. There are over 48 pieces of landscape and animal paintings. Besides a particular perspective of loneliness of San Yu's painting, he painted Chinese objects as well as symbols that populate the Chinese collective consciousness. It is even possible to imagine that his horses, Oriole and Egrets stoked the memory of his childhood. From a new perspective of zoology, this paper analyzes San Yu's paintings. The paper demonstrates that animals are undoubtedly a distinctive subject matter for San Yu's paintings. He painted a great number of animals, such as horses, deers, giraffes, leopards, tigers, road-runners, hawks, to represent primitiveness and freedom in nature. San Yu's animals belong to China and also belong to the zoo. His paintings try to represent the safari of Africa and Nature.