Abstract: Enacting and revising emergency plan is the important foundation and a primary task in building emergency management system. In September 2020, Ministry of Ecology and Environment (MEE), also known as National Nuclear Safety Administration (NNSA), published the recently revised Radiological Emergency Plan of MEE (NNSA). By interpreting the emergency task, emergency plan system, emergency classification indicator, emergency organizations and their responsibilities, emergency response mechanism, emergency preparedness of the revised Radiological Emergency Plan, guidance and enlightenment are provided to radiological emergency preparedness and response in China.

Key words: radiological emergency, emergency plan, radiation safety