Today’s world is experiencing a great change that has not happened in a century，Chengdu-Chongqing Economic Circle and the new western land-sea corridor will be developed by means of interaction，will release dividends from national strategies such as the Belt and Road Initiative，the Yangtze River Economic Belt，the Western Development，and the Guangdong-Hong Kong-Macao Greater Bay Area，make the Chengdu-Chongqing Economic Circle becoming the sub-regional center for Southeast Asia and South Asia，promoting the rise of the Western Development.