Mile County is located in the southeast of Yunnan Province and the north of Honghe Prefecture, bounded by 103.04- 103.49 degrees east longitude and 23.50-24.40 degrees north latitude. It is 43km away from the provincial capital Kunming1km, from the state capital Mengzi 13 1km, and 289km away from the national open port. Highway traffic extends in all directions, and Yunnan-Vietnam railway runs through the north and south. It borders Yiliang, Shilin, Huaning, Jianshui, Kaiyuan, Qiubei, Luxi and other counties, and is in the center of the tourist area in southeastern Yunnan. The terrain of Maitreya is slightly rectangular, with an average length of 78 kilometers from north to south and an average width of 50 kilometers from east to west, with a total area of 4,004 square kilometers, of which mountainous areas and semi-mountainous areas account for 85%. The larger dams are Maitreya Dam, Zhuyuan Dam and Hongxi Dam. The highest elevation of the county is 23l5 meters in Jinding Mountain, the lowest elevation is 870 meters in riverside valley, and the county elevation is 1432 meters. Mile County has a subtropical monsoon climate, with an annual average temperature of l7.3 degrees Celsius, an extreme maximum temperature of 36. 1 degrees Celsius, a minimum temperature of -4.5 degrees Celsius and an annual rainfall of 987.5 millimeters. It can be said that there is abundant rainfall and sunshine, and there is no severe cold in winter and no heat in summer. The county is rich in geological landscape, with hills, basins, karst mountains and other staggered distribution, and there are as many as 870 kinds of vegetation resources, which have created rich and diverse natural tourism resources, and constitute the eight treasures of the Maitreya Buddha country-Maitreya Blessed Land, Dashu Longtan, Bailong Dongtian, Taiping Bibo, Dou Wei Wonderland (Monkey Hall), wine, Axi Moon Bar and Meihua Hot Spring. Mile County is a place with a long history and many ethnic groups, mainly including 23 ethnic groups such as Han, Yi, Dai, Miao, Hui and Zhuang, with a total population of 500,000, of which ethnic minorities account for about 4 1.63%, mainly Yi, accounting for about 30% of the total population. In the long history, the unique national culture and folk customs of the Yi branch, such as Axi, Azhe, Sani, Men in Black and People in White, have been formed.