Abstract:The rapid deterioration of the relationship between China and the United States, the development of multi polarization in the world and the impact of the epidemic situation have brought new opportunities for the introduction of overseas talents. By combing the relevant research on the introduction of overseas talents, it is found that the research results are not consistent with the current world multi polarization development pattern and the current situation of science and technology competition between China and the United States.Based on the detailed analysis of the changes and trends of the science and technology relationship between China and the United States, this paper makes a judgment that the science and technology competition between China and the United States will exist for a long time, studies the strategy, tactics and Strategies of the science and technology competition between China and the United States, and finally puts forward corresponding countermeasures and suggestions for the problems and challenges faced by the introduction of overseas high-level talents, so as to seize the opportunity of the introduction of overseas talents in the post epidemic period , make a good start in the great changes of the world.