Abstract:Based on the panel data of 11 cities from 2007 to 2016 in Guangdong-Hong Kong-Macao Greater Bay Area, The impact of manufacturing agglomeration, financial industry agglomeration, education agglomeration and their coordinated development on regional technological innovation are analyzed in this paper. The econometric results show that: firstly, financial industry agglomeration and education agglomeration have positive impact on regional technological innovation, but not significantly; secondly, manufacturing agglomeration has significant and positive impact on regional technological innovation; thirdly, financial industry can improve the regional technological innovation while it provides the manufacturing industry strong financial support; fourthly, the coordination degree of manufacturing industry, financial industry and education affects the regional technological innovation positively significantly. In general, only if the manufacturing industry, financial industry and education coordinate well with each other, will it bring the great positive effect to the regional technological innovation.