The global energy industry has been greatly affected by the Novel Coronavirus outbreak. There’s been a huge drop in demand for electricity，nuclear power has relatively little impact. In order to systematically and comprehensively understand the development trend of nuclear energy in the world，to investigate and study data from international authoritative agencies such as the IAEA and the IEA. The data indicate that the global installed capacity of nuclear power will continue to grow in the future. Global green energy development is urgent，nuclear energy plays a prominent role in building green and low-carbon development. Several European countries and organizations have said they will adjust their policies，they will step up efforts to develop nuclear energy.