对国内外氢能产业发展现状及相关政策进行了介绍，并详细综述了氢能的主要供应体系技术及其在工业、建筑、交通、储能领域中的应用。通过探讨氢能产业发展面临的挑战，深入分析了现阶段氢能顶层设计应把握的关键问题，并提出相应的政策建议，指出了我国氢能产业的未来开发前景。

Global development status and relevant policies of the hydrogen energy industry are introduced, and the main supply system technologies of hydrogen energy and the applications of hydrogen energy in the fields of industries, construction, transportation, and energy storage are reviewed.Through analyzing the challenges faced by the development of the hydrogen energy industry, the key issues that should be grasped in the current top-level design of hydrogen energy are deeply analyzed, and corresponding policy suggestions are given.Finally, the future development prospects of China's hydrogen energy industry are predicted.