Green　technology　innovation　is　a　crucial　factor　in　the　global　quest　for　sustainability.　In　2017,　China　approved　the　establishment　of　Pilot　Zones　for　Green　Financial　Reform　and　Innovations　to　build　and　improve　the　green　financial　system.　Using　a　difference-in-difference　(DID)　model,　this　paper　examines　the　impact　of　this　pilot　policy　on　corporate　green　technology　innovation　and　its　transmission　mechanism　based　on　the　data　of　green　patents　of　Chinese　A-share　listed　manufacturing　companies　between　2014　and　2019.　It　is　found　that　Pilot　Zones　for　Green　Financial　Reform　and　Innovations　have　contributed　to　the　growth　of　green　technology　innovations.　This　conclusion　is　confirmed　after　a　series　of　robustness　tests.　The　pilot　policy＇s　promotion　of　green　technology　innovations　is　mainly　reflected　in　the　application　of　corporate　green　invention　patents.　However,　it　is　more　significant　for　non-heavy　polluting　enterprises,　high-tech　certified　enterprises,　and　large　enterprises.　The　paper　also　finds　that　the　pilot　policy　promotes　corporate　green　technology　innovation　by　promoting　social　financing,　talent　support,　and　government　financial　support.