Abstract: From a complexity perspective,the paper analyzes the complex relations between internationalized extension of coal supply,economic growth and national security,and,brings forth the characteristics and mechanism of the system.Additionally,the paper points out that China government should fully take advantages of the feedback mechanism,smooth the feedback loop,strengthen macro-control,make the best of opportunities of globalization,avoid disadvantages and risks,and extend the supply chain of coal resources,to push the strategy of coal internationalization forward.