Abstract:Quantum information technology is the key frontier field of international scientific and technological competition at present and even in the future, and it is a strategic subversive technology related to national security and scientific and technological development. At present, many countries in the world have taken it as an important strategic task to carry out key planning and systematic layout. The breakthrough of quantum technology will have a positive and far-reaching impact on the game between China and the United States, bringing vital economic value and strategic significance. This paper mainly combines the development status of quantum information technology in China, compares and analyzes the main challenges faced by the development of quantum information technology in China with that of the United States, draws lessons from the relevant policies and measures of the United States to promote quantum information technology, and puts forward countermeasures and suggestions to promote China's quantum technology innovation to lead the global development.