In General Secretary Xi Jinping's report to the 19th CPC National Congress he proposed to "accelerate reform of ecological civilization". He has on Beijing-Tianjin-Hebei coordinated development proposed "seven requirements". These are the top-level design and overall program of the Beijing-Tianjin-Hebei collaborative development. Construction of "Beijing-Tianjin-Hebei ecological environment support area" should be the first step in the coordinated development of Beijing-Tianjin-Hebei region, and it should be a top priority, the basis and premise of all work. The Winter Olympic Games will be held in Beijing and Zhangjiakou in 2022, providing a rare opportunity for the construction of "Beijing-Tianjin-Hebei ecological environment support zone". Zhangjiakou follows the concept of green Olympics, promoting the construction of low-carbon economy demonstration zones, with the implementation of the most stringent environmental governance. Through the "zero-carbon" configuration of ecological construction, implementing the "zero-carbon" approach of ecological construction, paying attention to the "zero carbon" construction of ecological construction, Zhangjiakou will be made a green ecological barrier to "protect the water source, plug the sand source and bring fresh air" for north of Beijing, to show the world a plant zero carbon landscape forest city image.