In the morning of June 16, 2020, the course Nuclear Safety Analysis Basis for EPR Unit started for the first time, focusing on basic design theory and concepts of EPR nuclear safety analysis. Learners can not only learn about the nuclear safety management requirements of EPR unit, but also understand why there are such requirements from the source, so as to respect better the nuclear safety criteria such as Operating Technical Specifications and ensure controllable safety and quality of unit activities.