New progress was made in scientific and technological innovation in China’s nuclear energy sector in 2022. Large advanced pressurized water reactor and high-temperature gas-cooled reactor nuclear power plant continued to be further advanced. CAP1400 has made new progress in the domestic equipment and materials development，nuclear power safety technology research and other aspects. HTR-PM reached the initial full power. HPR 1000 has continuously improved its digital level in engineering construction and safe operation，and has achieved solidification through design optimization and improvement plans. The research and development layout of Small Modular Reactor has been accelerated. New breakthroughs have been made in the research and development of key technologies of advanced nuclear power systems such as Sodium Cooled Fast Reactor，Lead Based Reactor，Molten Salt Reactor，and the operation of controllable nuclear fusion devices in China has set a new record.