Since the first appearance of the philosophy of human nature in the Pre-Chin time. The theory of Metaphysics has been developed through the dynasties two Han and Wei Jin. The theory of mental philosophy of the Song Min dynasties formed through the Buddhism of the Sui Tang dynasties. In which the importance of human nature in the Pre-Chin dynasty and mental philosophy had been carefully studied the philosophy of human nature has been noticed for a long time. Especial in the time of Han and Wei Jin dynasties. the Han theories from the yin yang explained (talks) human nature Wei-Jin Metaphysics theories yearning for spiritual freedom. This paper is to give a pre-view about the theory. the followings are the order of content: Ⅰ: preview Ⅱ: the development of human nature in the two Han dynasties Ⅲ: background of the human nature development the theory in the Wei-Jin dynasties Ⅳ: philosophy of human nature in the Wei Jin. Dynasties Ⅴ: conclusion.