The construction of Xiong’an New Area is a major decision made by the CPC Central Committee to further promote the coordinated development of Beijing-Tianjin-Hebei. The establishment of such a New Area with national significance is a major historical and strategic choice of the party and the country. As the core and blood of the modern economy，finance plays an indispensable role in promoting industrial restructuring，optimizing resource allocation，and achieving high-quality development. Based on the logic of the establishment of the Xiong’an New Area in case of the coordinated development of Beijing-Tianjin-Hebei，this report explores the mechanism and path analysis of the connectivity and symbiosis between Xiong’an New Area and the coordinated development of Beijing-Tianjin-Hebei，sorts out the development and distribution of financial resources under the strategic background of coordinated development of Beijing-Tianjin-Hebei，and through an in-depth analysis of the financial support role of the connectivity and symbiosis between Xiong’an New Area and the coordinated development of Beijing-Tianjin-Hebei，and then puts forward the road ahead about financial supporting for Xiong’an New Area to link the coordinated development of Beijing-Tianjin-Hebei.