In order to understand the release trend of medical artificial intelligence policy in international countries，and provide reference for the development of medical artificial intelligence in China，and explore the future prospects of artificial intelligence affecting the development of medical health industry，this article analyzes the relevant policies of medical artificial intelligence. Firstly，the literature research method is used to sort out the medical artificial intelligence policies of international countries（the United States，the European Union，the United Kingdom，Japan，and China），and compare the differences between countries in the research and development focus and application fields of artificial intelligence. Then we will sort out the medical artificial intelligence policy issued by China，and understand its policy release trends and policy theme changes. Finally，the provincial government medical artificial intelligence policy is sorted out，compared and analyzed. Through the comparison of horizontal and vertical，the paper gives a preliminary understanding of the medical artificial intelligence policy in China.