Objective The greatest advantage of the Caofeidian Harbor is its deep channel facing the Bohai Bay.The deep channel is a natural port hub for shipping of the Caofeidian Habor.The construction of the Caofeidian Harbor has impacted the hydrodynamic environment and the sediments movement,which has attracted much attention about the geomorphic evolution,slope stability and the evolution trend after Objective The greatest advantage of the Caofeidian Harbor is its deep channel facing the Bohai Bay. The deep channel is a natural port hub for shipping of the Caofeidian Habor. The construction of the Caofeidian Harbor has impacted the hydrodynamic environment and the sediment movement, which has attracted much attention about the geomorphic evolution, slope stability and the evolution trend after