Baima Lake in Huai 'an City is located in the lower reaches of Huaihe River Basin, on the southeast edge of Huai 'an City, about 30 kilometers away from the main city of Huai 'an City. The area where Baima Lake is located belongs to the north subtropical humid monsoon climate zone, which has the characteristics of distinct seasons, abundant sunshine, abundant rainfall and short frost period. The landform is characterized by the Jianghuai Huwa Plain, with low terrain. The general landform trend is high in the northwest and low in the southeast, and the ground elevation is generally 5 ~ 10 meter. The resources in the area are unique, the ecological background conditions are good, the fluctuation of water level in the lake area is small, and the aquatic animal and plant resources are rich.