This article intends to discuss two main points. They are critically related to the establishment of the second golden era in the history of Chinese philosophy, i.e., the Wei, Jin, Northern and Southern Dynasties. Firstly, Chinese Confucianist philosopher Mou Zi's insights on Taoism and Buddhism made initial ways and rooms for Buddhism being integrated into Chinese culture. Secondly, on the contrary, Buddhism also absorbed the crucial characteristics of Confucianism and Taoism in order to be accepted by Chinese intellectuals.