The investigation found that Yancheng beach is rich in biological resources, with a wide variety and huge reserves. Among them, there are more than 0/00 species of benthos in intertidal zone, and the total biomass of bullacta exarata, Meretrix meretrix, Eriocheir sinensis and Meretrix meretrix is more than 0/0000 tons, and resources such as Oncomelania hupensis, sea bean sprouts, nereis and flounder are also very rich. There are more than 0/0 kinds of higher plants, such as reed, Spartina and Spartina alterniflora.