Yi county is a county under the jurisdiction of Huangshan City in China, one of the six counties in Huizhou and one of the cradles of Huizhou culture. It was founded in 22 1 year BC. The western section of Huangshan Mountain is located in the western part of Huizhou Mountain, which runs through the middle of the county. The elevation of Sanfujian is 1227 meters, which is the highest point in the county. The southern basin is surrounded by mountains, and Qingxi flows south. Anhui-jiangxi railway and Provincial Highway 326 cross the south of the county, and Provincial Highway 2 18 runs through the north and south. Provincial historical and cultural city. Ancient dwellings in Ming and Qing Dynasties are well known. Xidi and Hongcun ancient villages are world cultural heritage, and they are called "villages in Chinese painting" and "people in the Peach Blossom Garden".