Shengli Swan Lake is located in the Swan Lake Tourist Area, 15 kilometers southeast of Dongying City, Dongying City. It was built in 1997 as a large-scale water amusement park integrating tourism, vacation, leisure and entertainment. It is the largest artificial plain reservoir lake area in Asia. With the continuous improvement of the environment, a large number of swans arrive every winter, the scenery is beautiful and spectacular, attracting countless tourists, so people call it "Swan Lake". As the main part of the Yellow River Delta Environmental Protection Zone, Swan Lake is rich in fishery resources and bird resources. There are many species of birds here, especially the swan, a national second-class protected animal. Every year from November to April of the following year, a large number of swans arrive, and the scenery is beautiful and spectacular, attracting countless tourists. Shengli Swan Lake Scenic Area is mainly characterized by "big water surface and large space", and is famous for its characteristics of "seven islands, six scenic spots, five specials, and two fresh foods". Among them, the "seven islands" are: North Island, Sun Island, South Island, Reclining Buddha Island, and three bird islands, looking down from the sky like the Big Dipper mapping the ground; There are six major scenic spots including Wetland Zoo, Reclining Buddha Island, and Patriotism Education Base; the "five specials" are: particularly rich geothermal resources, particularly many migratory birds, particularly good water surface environment, particularly good lake freshness and special geographical location; The "two freshness" are: the air is particularly fresh, the fish in the lake and the wild vegetables in the lake area are particularly fresh.