Promoting the coordinated development of Beijing-Tianjin-Hebei is a major decision-making arrangement made by the Party and the State Council under new historical conditions.It is a concrete manifestation of Xi Jinping's socialism with Chinese characteristics in the new era.It is a solution to Beijing's non-capital function and promote regional coordinated development，which of great significance.Promoting the construction of a railway transportation network with complete functions，fast and convenient，safe and efficient，and low carbon green is the key to optimizing transportation structure，constructing a modern integrated transportation system and integrating transportation in Beijing，Tianjin and Hebei.From the opening and operation of the Beijing-Tianjin inter-city railway on August 1，2008，after 10 years of concentrated attack and coordinated promotion，the regional railway development has achieved remarkable results，meanwhile，the passenger and cargo transportation capacity and service quality have been greatly improved，which create the “Beijing-Tianjin-Heibei on the railway”，optimizing the transportation structure and promoting the coordinated development of Beijing-Tianjin-Hebei with strong support.