Abstract: Under the background of the great development of tourism industry,Wetland eco tourism is considered as one of the best models for sustainable development of tourism¹. Sancha Lake is located in Jianyang City,which is the second largest lake and the ecological tourism demonstration area of Sichuan province.Sancha Lake scenic spot is experiencing a great change in the history because Jianyang City has been governed by Chengdu,and along with the huge development of Tianfu new district and the building of Tianfu International Airport.On the other hand,the Ziyang part of Tianfu new district planned to build Sancha lake wetland park,and the preliminary work was already activated.It might become the largest wetland park in Chengdu after it was completed,and the tourism would develop rapidly as well.This paper analyzes various factors of developing Sancha lake wetland park.,and through field research,combining SWOT analytical method,gives the development prospect of it,aiming to provide references for the development of local tourism economy.