This paper studied the protection and restoration measures of wetland ecosystem in Sichuan based on the protection and restoration project of Sichuan ShaWan Dadu River National Wetland Park. Through Wetland and its biodiversity protection，the ecological characteristics of wetland ecosystem and basic functionalities will be maintained，Restoration of damaged wetland resources，is the key to the protection and restoration of the wetland ecosystem of the wetland park damaged by the the construction of the hydropower project. This study is carried out through the study of this typical case，In order to protect the wetland in Dadu River National Wetland Park Scientific by way of systematic and effective，It is suggested that implementation of four restoration engineering（waterhead and water quality protection，edge water protection and wildlife and habitat protection），and two major restoration project（water remediation and fish habitat restoration planning）.