Sihong County, under the jurisdiction of Suqian City, Jiangsu Province, is located in the northwest of Jiangsu Province, the south of Suqian City, the lower reaches of the Huaihe River, and the Hongze Lake in the east. It is located in the cross radiation area of the Yangtze River Delta Economic Zone and the Huaihe River Ecological Economic Zone. The total area is 2731 square kilometers. By October 2021, Sihong County has jurisdiction over 3 streets, 12 towns and 4 townships. In 2021, Sihong County will have a total registered residence population of 1087100 and a permanent resident population of 860900. The People's Government of Sihong County will be stationed in the building street.

Sihong County has a long history. Fifty thousand years ago, Xiacaowan people lived here by water and multiplied. It is one of the centers of biological evolution in the Cenozoic world. The "Shuanggou Drunken Ape" in the territory has a history of more than 12 million years. The Western Zhou Dynasty is the center of Xu State, where Wu Yue culture and Chu Xu culture infiltrate and merge with each other. Historically, Sizhou (Linhuai) is comparable to Chuzhou, both of which are famous historical cities facing each other from east to west along the Huaihe River. Sihong County is the wine capital of China, where Shuanggou Daqu is produced. Sihong County occupies 40% of the water surface of Hongze Lake, which is inlaid with Hongze Lake Wetland Park, a national 5A tourist attraction. It has many honors, such as the wine capital of China, the hometown of Chinese crabs, the ecological garden city of Jiangsu Province, and the ecological demonstration area of China. In October 2017, Sihong County was named the National Garden County by the Ministry of Housing and Urban-Rural Development.

In 2021, Sihong County will achieve a GDP of 58.442 billion yuan, an increase of 8.7%. Among them, the added value of the primary industry is 8.87 billion yuan, and the added value of the secondary industry is 22.612 billion yuan; The added value of the tertiary industry is 26.96 billion yuan, and the tertiary industrial structure is 15.2: 38.7: 46.1.