 The hydrogen fuel cell is gaining popularity as a source of clean energy due to its high efficiency and low emissions. This review provides an overview of the system architecture and control of hydrogen fuel cells, focusing on integration and intelligence. The cathode, anode, and cooling loop subsystems are discussed, along with the DC slash DC converter and air compressor components. Additionally, the system-level integration of fuel cells into power systems is examined. Challenges and perspectives related to the integration of fuel cells are also discussed. This article was authored by Gua Xiaoyu, Dong Zhen, Shen Jiabin, and others.