Abstract: The cross-regional operation of Beijing Daxing International Airport complied with the regional development plan, and the coordinated development of Beijing-Tianjin-Hebei airports complied with the national strategic requirements.From the aspect of the state and civil aviation industry, the strategy and measures of Beijing-Tianjin-Hebei coordinated development have been determined.However, the regional differences of current rule of law restrict the airports cross-regional coordinated development.At present, the state promotes the layout of world-class airport cluster construction, and local governments are also carrying out the discussion and attempt of the collaborative rule of law.Based on the national policy and the needs of civil aviation development, to enhance the interflow and integration of the airports between Beijing, Tianjin and Hebei, and to ensure the high-quality development of Beijing Daxing International Airport, this can be carried forward and fulfilled from the implementation of the coordination mechanism, the establishment of specialized legislative bodies, promote law enforcement coordination using shared data, and the improvement of the legal management level of airport management.