Daijiazhou section is one of the key navigation-obstructing sections emerging in the middle reach of the Yangtze River,and staged regulation measures are taken for it.The implementation of the Daijiazhou right border lower section guarding project is mainly to consolidate the achievement of the first phase project,restrain the Daijiazhou right border under section’s eroding out,and prevent the straight waterway’s flat form developing at the unfavorable direction,which create favorable conditions for the follow-up works.It is thought that the implementation of the project obviously stabilize the right border lower section and improve the waterway’s navigation condition,and the expected goal will be reached.