河北省张家口市地处京津冀和晋冀蒙经济圈的交汇点,紧邻晋蒙两个资源大省,是华北、东北、西北三大市场的重要中转地,具有经济发展的区位优势。同时,张家口义处于首都北京的上风上水位置,是京津平原地区的生态屏障、城市供水水源地、水源涵养区和风沙源治理区,担负着保护京津地区生态安全的重要任务,是首都北京的重要生态屏障。张家口市历史文化悠久,自然资源丰厚。独特的地理环境,使张家口自古以来就成为中原与北方古文化接触的“三岔口”和北方与中原文化 Located in the intersection of Beijing, Tianjin and Hebei-Hebei-Inner Mongolia Economic Circle, Zhangjiakou City of Hebei Province is close to the two resource-rich provinces of Shanxi and Mongolia. It is an important transit hub for the three major markets of North China, Northeast China and Northwest China and has the advantage of economic development. At the same time, Zhangjiakoukou is located in the upper reaches of the capital city of Beijing. It is an ecological barrier, an urban water supply source, a water conservation area and a source of sandstorms in the Beijing-Tianjin Plain. It is an important task of protecting the ecological security in Beijing and Tianjin and the capital Beijing’s major ecological barrier. Zhangjiakou City has a long history and rich natural resources. Unique geographical environment, Zhangjiakou since ancient times has become the Central Plains and northern ancient culture contact with the “Three Forks” and the North and the Central Plains culture