Abstract: We should fit Seng Zhao’s philosophy in the social historical cultural environment in which it formed, study the times theme that it faced and replied, study the different cultural resources that it had absorbed and fused. Seng Zhao’s theories of Existence- Naught and Movement-quiescence contain both connotations mainly: Firstly, From the view of Madhyamika Prajna, Seng Zhao put forward the views of "no-existence and no-naught" and "no-movement and no-quiescence", negated the views of metaphysics of Wei-jin, and illuminated the views of "no-real" and "no-move"; Secondly, Inheriting the theme of metaphysics of Wei-Jin, Seng Zhao illuminated the views of comprehending the naught from the existence and comprehending the quiescence from the movement on the basis of the theory of substance-function. Seng Zhao absorbed and fused both cultural resources of Madhyamika Prajna and the metaphysics of Wei-Jin, and promoted the development of the metaphysics of Wei-Jin and the sinologization of buddhism.

Key words: Seng Zhao, Madhyamika Prajna, the metaphysics of Wei-Jin, the theory about existence and naught, the view of movement and quiescence, the theory of substance-function