Nantong seizes the opportunity,actively to the ocean space and resources,fully implement “interdynamic development of the river and sea” and “co-ordination of land and sea” strategy,the development and construction of Tongzhou Bay Port,through the formation of large-scale industrial land and port shoreline.It not only can provide important support for economic and social development in Nantong and Northern Jiangsu,but also will become an important guarantee for the development of regional economic integration in the Yangtze River delta.This paper summarizes the development of the national strategy of Tongzhou Bay Port resources,strategy and location advantage;focuses on the development of Tongzhou Bay Port demand for coastal beach reclamation analysis: port construction requirements,city development needs and industry development needs;it expounds the significance of the development and construction of Tongzhou Bay Port,fully affirms the Tongzhou Bay Port in promoting the development of the Yangtze River economic belt and promotes the construction of Shanghai shipping center play an important role.