"Peaking carbon dioxide emissions and achieving carbon neutrality"are China's solemn commitments in the process of global greenhouse gas emission reduction.By reviewing the background of"peaking carbon dioxide emissions and achieving carbon neutrality",this paper analyzes the impacts of the goal on China's energy sector,which are mainly reflected in four aspects:(1)accelerating the adjustment of China's energy structure;(2)pushing further improvement of the energy technology innovation system;(3)accelerating the institutional reform in the energy sector;(4)accelerating the high-quality development of China's traditional energy sector.