Abstract:Improving the service capacity of Technology Transfer Agency is an important way to promote technology transfer and the construction of National Innovation System. "professionalization" has become the consensus to transform and upgrade the service capacity of Technology Transfer Agency. However, there is no theoretical study of what the specialization of Technology Transfer Agency is and how did it develop. Based on relevant research of occupational sociology and medical professionalism and considering practical conditions, this paper innovatively proposes the concept of professionalization of Technology Transfer Agency, then constructing three-dimensional analysis framework of Professional knowledge, social needs, professional identity. Finally, using the framework discusses the practice of professionalization development of Technology Transfer Agency and puts forward development suggestions. This paper not only expands the theoretical boundary of social governance, but also provides useful reference for the practical development of Technology Transfer Agency.