Abstract: .Studying the differences in the characteristics of intertidal communities in different coastal structures can not only understand the relationship between the characteristics of the structures and their habitat suitability, but also provide the basis for the selection of ecological measures of artificial shoreline. One natural shoreline and six different coastal structures are investigated. The differences of intertidal community characteristics among different coastal structure are compared. The relationship between the material and structural characteristics and intertidal attached organism index is discussed. The main factors affecting these characteristics index are summarized. Further refined shoreline ecological measures and the direction of further research are pointed out.