The article discusses the rapid development of multi-rotor drones and their widespread applications in military, commercial, and other fields. It addresses the major limitation faced by multi-rotor drones, which is their short flight time, hindering their extended use. The solution proposed involves utilizing hydrogen fuel cells as a power source due to their high energy density, adaptability to ambient temperatures, and eco-friendly characteristics. The application of hydrogen fuel cells in multi-rotor drones is seen as a promising technology that has attracted significant research attention. The paper outlines the evolution of hydrogen fuel cell multi-rotor drones and identifies key challenges that need to be overcome for their further advancement. These obstacles include designing structurally lightweight drones, developing efficient hydrogen storage methods, implementing effective energy management strategies, and ensuring proper thermal management. The future outlook for hydrogen fuel cell multi-rotor drones is optimistic, with discussions on the potential to enhance precision agriculture, aerial photography, patrol inspections, and various engineering applications. Comparing lithium batteries commonly used in drones with fuel cells, the article highlights the superior energy density and longer endurance provided by fuel cells. Fuel cells offer benefits such as extended flight time, improved charging efficiency, and reduced operator workload. Additionally, fuel cells have a longer service life, lower environmental impact, and enhanced safety features compared to lithium batteries. Overall, the sentiment towards hydrogen fuel cells as a power source for multi-rotor drones is positive, emphasizing their potential to revolutionize drone technology and applications.