Many Chinese scholars choose the US for R&D, as the US is fertile soil for AI. Specifically, over 50% of researchers who posted papers in AI conferences are currently working in the US. - President Trump is prohibiting Chinese scholars from researching AI areas with a deteriorating relationship between the US and China. This situation concerns many scientists in high-tech firms. - AI could help computers to make decisions, recognize faces, find criminals and choose targets. Moreover, many Chinese talents play a significant role in AI development.