Since 1983,Jiangsu Yancheng rare birds wetland national nature reserve,Jiangsu Dafeng Milu national nature reserve,Jiangsu yellow sea National Forest Park and Yancheng tiaozini wetland park have been established successively in Yancheng Yellow Sea Wetland for more than 30 years,reserves have played a significant role in the rejuvenation of rare wild animal populations,biodiversity conservation,preservation of natural heritage,improvement of ecological environment quality and maintenance of national ecological security.The establishment of a national park in Yancheng yellow wetland will further enhance the biodiversity of Yancheng Yellow Sea Wetland and maintain the integrity,uniqueness and value of local natural resources.Under the guidance of 《overall plan for establish a national park system》 and 《guidance on establish national park based on national reserve》,this study will discuss the feasibility of integrating Yancheng's existing nature reserves to establish a national park by analysing the current situation of existing reserves in Yancheng wetland.