Tonghai Introduction: Tonghai County is a Mongolian settlement in Yunnan Province, one of the high-yield flue-cured counties, and the county of Yuxi. In the south of the province, on the lake plain in the lagoon, limestone mountains surround the surrounding area. 721 square kilometers, 234,000, density 300. 9 people per square kilometer is the province with the highest density in the province. Mainly Han people, there are ethnic minorities such as Yi, Hui, Mongolia, Yi, Hani. County People's Government in Xiushan Town.