Abstract:The development, achievement transformation and industrialization of environmental protection science and technology are of great significance for sustainable economic development, ecological environment protection and residential life quality improvement of the Guangdong-Hong Kong-Macao Greater Bay Area. In order to improve the efficiency of environmental protection scientific and technological achievement transformation in the Guangdong-Hong Kong-Macao Greater Bay Area, this article reviews the progress of environmental protection technology and major scientific and technological achievements in the Guangdong-Hong Kong-Macao Greater Bay Area through patent information retrieval, enterprise database survey and literature research. It deeply analyzes the characteristics of patented environmental protection technology application in the Greater Bay Area, the characteristics of collaboration and transformation potential of major scientific research achievements, and the situation of technological achievement application in high-tech environmental protection enterprises, summarizes the problems in transformation and industrialization of environmental protection technology achievements in the Greater Bay Area, and lastly, proposes solutions from multiple perspectives and levels, providing theoretical references for formulating measures for the transformation of environmental protection technology achievements in the Greater .