Digital finance will be the core driving force for the coordinated development of finance in the Guangdong-Hong Kong-Macao Greater Bay Area. The digital financial market in the Guangdong-Hong Kong-Macao Greater Bay Area is developing rapidly as a whole，with obvious advantages of digital technology synergy and superposition. However，it is urgent for the systematic and collaborative development to improve strategic layout and plan，accelerate institutional innovation，promote factor circulation，and strengthen the strategic fulcrum of digital financial synergy development. It is also necessary to optimize the layout of resources，create a cooperation carrier，and form a strategic pattern for the coordinated development of digital finance. We should consolidate the industrial foundation，improve the service system，and foster an innovative ecology for the coordinated development of digital finance.