The animal novels are more attractive than other novels because they are easier to pierce the shell of human culture and hypocritical appearances of civilization, they can directly show the original ecology of life with both the ugly and the beauty. Human culture and society civilization will change constantly with the time changing, but spiritual core of cruel competition, tough survival and pursuit of glory in whole life will never change. Therefore, the animal novels have reasons to win the heart of readers and have reasons to pursue immortality.