“The Guangdong Hong Kong Macao Greater Bay Area is an important strategic region for the development of China's hydrogen energy industry and a key platform for achieving the "dual carbon" goal. This article introduces its research progress in the field of hydrogen energy industry evaluation, and the research team has established a SWOT-AHP quantitative analysis system to explore the issue of weight redistribution of industry influencing factors, providing decision-making references for the sustainable development of the hydrogen energy industry.”