Abstract:The innovation environment of county has a great impact on improving regional independent innovation capability, for which this paper, based on factor analysis model and data envelopment analysis method, aims to analyse the details of innovation environment and performance of county in Guangdong. Firstly, this paper construct an index system for county’s innovation environment, based on the development background of the Guangdong-Hong Kong-Macao Greater Bay Area, analyzing innovation environment, investment and performance in three different parts, such as the core area of PRD, Coastal Economic Zone and Northern Ecology Development Zone. Secondly, some counties are selected as typical ones to evaluate their innovation performance. Finally, the result of analyse are counted to dig out the shortages and potential development problems. Besides, this paper will put forward some strategy and proposals in order to improve innovation performance and promote all-round development of innovation capability.