Currently,the long coast of Bingyinzhou in the middle reach of the Yangtze River has formed scarp and is falling back continuously.In order to prevent bank caving of the low beach and scouring of the beach face,we put forward the concept of ridge protection and analyze the features of its guardian,and clarify the positions need to pay attention to and corresponding guard measures,which are based on the characteristics of the flood plain in Bingyinzhou and the features of revetment bank protection structures.According to the stability analysis and computation of different proposals,we give the recommended scheme for the protection of Bingyinzhou,which may serve as reference for similar protection engineering of flood plain.