The article provides a comprehensive review of recent developments in the global hydrogen energy industry. It outlines both domestic and overseas policies related to hydrogen energy, highlighting initiatives in cities like Beijing, Shanghai, and Guangzhou in China, and countries like the European Union, Germany, and the US. These policies aim to promote the use of hydrogen in various sectors, including transportation and energy production. The piece also covers significant corporate developments, such as project signings and technological collaborations. Companies in China are actively involved in projects ranging from hydrogen production equipment to green methanol initiatives and methanol-hydrogen electric vehicles. International collaborations are also flourishing, with partnerships being formed to advance hydrogen-related technologies. The overall sentiment of the article is positive, showcasing a growing global interest in hydrogen energy and a commitment to sustainable energy solutions.