Suzhou Dabaidang City Ecological Park with the theme of highlighting natural ecology is the "green lung" in the western emerging industrial city. The historical Baidang Lake is wide and is the water flow collection place in Yangshan area. In the old days, local villagers took seed as their business, and the rich egrets heard far and near, and the "white dang song" became one of the famous egrets in the Qing Dynasty. The park is ecologically based and water-centered, and integrates modern culture, ancient Wu culture and water culture harmoniously through functional partitions. It is an ideal place for people to relax and entertain and experience nature.