Abstract:Based on the research of existing common word network, this paper analyzes the structural characteristics of Guangdong"s science and technology financial policy system. Selecting 222 copies of Guangdong"s science and technology financial policy texts issued in April 2006-2018 as the research object, using the rooted theory and text mining method, the word frequency analysis, semantic network analysis and central analysis of the policy text, combined with Guangdong The province"s "one, two, three" technology financial operation mode was further verified. The study found that Guangdong"s science and technology financial policies have problems such as unreasonable structure, lack of policy texts for industry supervision and exit mechanisms, and fewer specific policies. Finally, it puts forward the policy of actively adjusting the policy structure, speeding up the formulation and introduction of relevant policies for the industry supervision and exit mechanism, and improving the relevant recommendations of the multi-dimensional policy group of “general policy + special policy”, which is the follow-up technology financial policy system of Guangdong Province and even the whole country. The perfection provides reference.