The river regulation project is one of the important products in the process of changing the world for human being.Its design and construction is not only related to the use of water resources, more related to the life property safety of the surrounding area residents.For the ecological idea into the river regulation project design, implementation projects of environmental benefits and economic benefits is the main development direction of the water conservancy industry. This paper stated the application of ecological idea in the design of river regulation projects .It can provide certain help for related designers.