Creative talents play a very important role in the vitality of a city. It is obvious that highly developed creative cities tend to have higher concentration of creative talents geographically. The article analyzed its effects on six aspects: information sharing,collective learning, talents' learning & growing, knowledge spillover,innovation and scale in Shanghai for last 10 years by using the entropy method based on the established effect index system with15 indices. It attempted to understand not only achievements and challenges,but also internal relations between the effects of creative talents' agglomeration in Shanghai. The article would be a contribution for enhancing the agglomeration of creative talents in cities,promoting the development of creative industry and enhancing urban vitality and innovation in China.
