Sihong County is a county under the jurisdiction of Suqian City, Jiangsu Province, which is located in the northwest of Jiangsu Province, south of Suqian City, downstream of Huaihe River and east of Hongze Lake. It is located in the cross-radiation area of Yangtze River Delta Economic Zone and Huaihe River Ecological Economic Zone. Sihong County has the honors of China Wine Capital, China Crab Hometown, Jiangsu Ecological Garden City and China Ecological Demonstration Zone. 20 17 10, Sihong county was named as a national garden county by the Ministry of Housing and Urban-Rural Development.

Sihong county belongs to the East Asian monsoon region, and also belongs to the transitional zone between the north subtropical zone and the north warm temperate zone. The monsoon is obvious, the four seasons are distinct, the rainfall is concentrated, the rain and heat are in the same season, Leng Xia is hot in winter, the temperature is changeable in spring, the air is fresh in autumn, the light energy is sufficient, and the heat is abundant. The annual average temperature is 14.6℃, the annual average precipitation is 893.9 mm, the annual average total sunshine hours are 2326.7 hours, the frost-free period is 2 13 days, the snowfall day is 9.2 days, and the annual average wind speed is 3.7 m/s.