To explore the development trend of medical AI and the problems of medical AI in China. The results of the quantitative analysis show that the number of published papers on medical AI in China and globally is growing rapidly, and China is at the forefront of the international community in terms of the number of papers published and highly cited papers; the number of AI clinical trials conducted and the types of diseases oriented are high, but the quality of clinical trial registration needs to be improved. The number of approved AI medical devices in China is increasing year by year, and medical AI product certification is steadily advancing. With the development of medical artificial intelligence, there are still many problems and challenges at the theoretical level, the technical level, the ethical and legal level and the application level.