Abstract: Beryllium is a rare strategic mineral resource in the world, and its development is of great importance to the world economy.The United States is not only a large country of beryllium resources, but also the country with the longest history of beryllium resources utilization in the world.Its beryllium industry supply and demand security have a significant impact on the future development of beryllium industry in the world.This paper analyzes the supply and demand pattern and trade situation of beryllium industry in the United States from the perspective of industrial chain and international trade.On this basis, combined with the United States beryllium industry policy to analyze its supply and demand security and future development trends.The results show that the supply and demand pattern of beryllium industry in the United States is greatly affected by the international situation and the economic policies of the United States, and the gap between supply and demand may widen in the future.In the long run, the trade pattern of beryllium industry in the United States have changed obviously.In the future, the trade pattern may still be dominated by import, and the trading partners and trade prices are uncertain.In addition, the export control policy of beryllium industry, the foreign supply control policy and the import and export price policy of beryllium products of the United States all revolve around the national political and economic security, which has its own characteristics.Finally, the paper proposes the enlightenment of beryllium industry development and industrial policy in the United States to China from three aspects:prospecting path, scientific and technological innovation and the use of “the Belt and Road” initiative, and puts forward relevant suggestions.