The British emergentists have their pros and cons in the discussion of emergence. They succeeded in expressing the basic characteristics of emergence, but failed to explain how and why a property became emergence. So, the main subject of studying emergence is to explore the dynamics at present. This article redescribes the concept of emergence and proposes the concept of dynamics of emergence to explain how emergence comes into being. The dynamics of emergence can be divided into two parts: micro-dynamics and macro-dynamics. The former deals with the emergence coming from the interaction of pre-existing components of a system through their local interaction, bifurcation and iterative effect going to global pattern, while the latter discusse...