Abstract
This essay explores the differences and common position, mutual connections and influence between the theory of Buddhist nature as the central problem of Buddhism and the theory of human nature as the central problem of Confucian philosophy it holds that the largest difference between the two theories is that Buddhism emphasizes abstract noumenon, while Confucianism emphasizes man, human nature and ethical relations; and after entered into China, Buddhism has been influenced by Confucian theory of human nature, gradually gone on a humanized and mindized road, and become a much more ethicalized religion