The ecological construction in the Beijing-Tianjin-Hebei region has been extremely unbalanced for a long time，the industrial structure is not reasonable enough，the pollution emission intensity is large，and the ecological deterioration is serious.To build a world-class urban agglomeration with the Capital as the core，the Beijing-Tianjin-Hebei region must reduce pollutant emissions with industrial adjustment，force industrial transformation and upgrading with pollution prevention，promote industrial adjustment with technological innovation，and develop low-carbon new energy industry.To build an ecological synergy development mechanism，strengthen supply-side structural reforms，and strengthen industrial space balance and service matching.