In recent years, China's new energy automobile industry has risen rapidly and become an important player in the global market. Against the background of the global response to climate change and the promotion of green development, the development of the new energy automobile industry is not only related to China's economic transformation, but also occupies a pivotal position in the global industrial chain. This paper explores the dual impact of production factors and market demand on the global competitiveness of China's new energy automobile industry. By analyzing production factors such as technological innovation, R&D capability, human capital, supply chain efficiency and policy support, this paper describes the competitive advantages of China's new energy automobile industry in terms of technology and production. At the same time, this paper examines the driving role of domestic and international market demand and explores the impact of market demand on the globalization of the industry. Finally, this paper summarizes the achievements of China's new energy automobile industry in global competition, and looks forward to the path and strategy to enhance global competitiveness in the future.