Wetland has played an important role in the quality of the urban environment. Therefore, the choice and construction of wetland plants on a wetland landscape is crucial. Took the international garden & flower EXPO in Jinan for example, the work was analyzed from planting structure, fancy points, space construction, tree form and crown of forest. Based on this conclusion, the author put forward problems and flaws in the wetland plant construction, and gave suggestions in the the future development of wetland construction.