Shengjin Lake, a crane lake in China, is located in the east of Anhui Province, and it is named after the daily value of fish products in the lake. In 1986, it was listed as a national key waterfowl nature reserve, in 1988 it was listed in the List of Important Wetlands in Asia, and in 215 it was listed in the List of International Important Wetlands. Shengjin lake Lake covers an area of 132.8 square kilometers (12.26 square kilometers in the east and 3.54 square kilometers in Guichi), with mild climate, no pollution in water and lush natural vegetation around it, making it an ideal place for rare migratory birds to live in winter. Every autumn and winter, researchers, experts and scholars from the United Nations, European and American countries come to make field trips. According to the investigation, there are 142 species of birds in this area, including 66 species of wintering migratory birds. There are 5 species of birds under national first-class protection, such as white-headed crane, white crane and black stork, and 16 species of birds under national second-class protection, such as white-naped crane and cygnet. Shengjin lake Nature Reserve was approved by the State Council in 1997 to be established in Zhangxi Town, Dongliu Town, Shengli Town and Dadukou Town of dongzhi county. Now it is a national AAAA-level scenic spot, and has been jointly listed as one of the 4 internationally significant protected areas in the world by the Huijie Nature Foundation of the former Ministry of Forestry. Since 23, shengjin lake Crane Watching Festival has become a business card for Dongzhi.