Yishui County, under the jurisdiction of Linyi City, Shandong Province, is located in the south of Shandong Province, the southern foot of Yi Mountain, the north of Linyi City. It borders Zhucheng and Ju County in the east, Yiyuan and Mengyin Counties in the west, Yinan County in the south, and Anqiu City and Linqu County in the north, with a total area of 2434.80 square kilometers. In 2021, the registered population of Yishui County was 1,196,700. The county in addition to the Han, there are Hui, Mongolian, Miao, Yi, Zhuang, Buyi, Korean, Manchu and other 32 ethnic minorities. As of October 2021, Yishui County has jurisdiction over 2 subdistricts, 15 towns and 1 township. County people's government in Yicheng Street Zhengyang Road 19.

At the beginning of Sui Kai Huang, set East County. Kaihuang sixteen years (596), East 'an County for Yishui County. In 1967, Yishui County belongs to Linyi area. In 1994, Linyi Prefecture was abolished and Linyi City was established, and Yishui County still belonged to it. Yishui County is the hometown of "Red Wives", one of the cradles of Yimeng spirit, the national sustainable development Experimental zone, the national modern agriculture demonstration zone, the national key ecological functional zone, the national marriage custom reform experimental zone, the protection and utilization of revolutionary cultural relics.

In 2021, the GDP of Yishui County reached 50.37 billion yuan, an increase of 8%. Among them, the primary industry added value of 5.155 billion yuan, the secondary industry added value of 20.3 billion yuan; The added value of the tertiary industry is 25.085 billion yuan, and the proportion of the tertiary industry will be adjusted to 10.2:1 40:49.8 in 2021.