Wetland conservation is an integration science covers many different subjects, and one of fundamental work is combined wetland conservation with civil engineering. Wetlands vary in types and characters. If we practice the works of wetland conservation; we must be according to the characters of wetlands to project the optimal engineering method. In our research, the ideas and practices methods of the integration of wetland rehabilitate and conservation with civil engineering was explained by case study. And offer suggestions on some application methods of the combination of wetland conservation and civil engineering.