E-learning is a common inevitable trend of the world education in the context of globalization, especially after the Covid-19 epidemic had broken out and has not yet completely ended. Currently, cloud-based training is growing more and more strongly in the background of the 4.0 technology revolution. Recognizing the importance of that issue, this paper studies some typical cloud-based e-learning training models in the world, and applies them to foreign language teaching at Vietnamese universities nowadays.