To achieve the goal of reasonable and high efficient selection of wetland plants, this article takes the selection of wetland plants in LangZhong southeastern section of Jialing River as an example. It definitudes the requirement of the wetland’s ecological environment through the water quality and plants’ investigation and analysis. It establishes the Jialing River Langzhong southeastern section wetland plants’ AHP selection model targetedly from the stress resistance, purifying capacity and landscape effect of wetland plants. It grades the existing and suitable wetland plants, and selects the wetland plants which can fit and promote the improvement of the local environment. This article intends to have a discussion and analysis on the AHP model and index weight of wetland plants selection.
