Under the premise of ensuring the safety of flood control,embankment improvement project aims at creating a harmonious ecological landscape between humans and water by giving consideration to the restoration of ecological function of the river channel,the balance between flood control and landscape ecology function,and the relationship with the surrounding cities from the perspective of environmental protection.Taking the grandma temple dike upgrading project as an example,this paper summarizes the technical points of the ecological dike line layout,ecological protection and restoration,and landscape improvement,and proposes design principles and ideas for water environment,water ecology,water landscape,and water culture.