In Wei Jin, the intellectuals were conscious of the vicissitudes of space-time circumstances for the reason of political unrest. So they melted the thought of Confucianism and Taoism. But the thought of Sang in Wei Jin were quite different from pre-Qin. However the thought of Sang in Han were the important turning point in the period of time. Although the Sang in Han still had the characteristics of “inwardly a sang and outwardly a king”, they all had both characteristics of morality and career. In fact, they already changed owing to varies reasons, and the most important is that the thought of Taoist school had got the soil and atmosphere for developing further. Therefore, the characteristics of Sang were merged Confucianism and Taoism, and had influence on Sang's theory of Wei Jin. All the conditions are what I try to find out in this article.