Abstract:Innovative environmental factors have an important effect on urban innovative performance. Withthedataof 9 cities in Pearl River Delta, thispaperuses the factor analysis model and the IDEA model to establish evaluation index system to explore the relationship between innovation environment and innovative performance. Further, the Empirical analysis Reveals some shortcomings and problems of the PRD city groups.As consequence,strategy analysis are offered respectfully for optimizing the innovation environment,promoting the innovation efficiency and the innovative development.