Longlin Introduction: Longlin County Autonomous County is located in the northwestern part of Guangxi, in the intersection of the three provinces of Yunnan, Guizhou and Guangxi. It is adjacent to Tianlin County in the east, Xilin County in the south, and Panjiang in the north. It borders the county of Xingyi, Anlong, and Buheng in Guizhou Province, 3,543 square kilometers. There are 179 villages (communities) in 16 townships (towns) with a total area of ​​3,551 square kilometers. There are 5 ethnic groups including Miao, Yi, Yi, Zhuang and Han. At the end of 2011, the county had 400,000, of which ethnic minorities accounted for 81.2 of the county. %. It is one of the only two autonomous counties in Guangxi and the only minority autonomous county in the 12 counties (districts) of Baise City. In 1997, it was named the revolutionary old district by the People's Government of the autonomous region; it is the power station reservoir area, the "Ninth Five-Year" country. The key projects Tianshengqiao No.1 and No.2 Hydropower Station and Hepingban Hydropower Station were built in Longlin.