Honghe Hani and Yi Autonomous Prefecture is located in the southeast of Yunnan Province, China, bordering Kunming in the north, Wenshan in the east, Yuxi in the west and the Socialist Republic of Vietnam in the south. The Tropic of Cancer runs through the east and west. Honghe is the fourth largest economy in Yunnan Province, and its economic aggregate and some socio-economic indicators rank first among the 30 ethnic autonomous prefectures in China. Honghe Prefecture, with a land area of 32,930 square kilometers, governs 4 cities and 9 counties with a total population of 456 1 0,000 (2012). It is a multi-ethnic frontier minority autonomous prefecture, with indigenous peoples 10 and minority population of 24 1000. Honghe Prefecture has Mengzi, the political, economic, military and cultural center of southern Yunnan, Gejiu, the world's tin capital, and Jianshui, a national historical and cultural city. Shi Ping, a great literary country; There are two national ports: Hekou and Jinshui River. Some are tin culture, ceramic culture and terrace culture. The Red River is the epitome of Yunnan's economy, society, humanity and nature, the birthplace of Yunnan's modern industry, and the land passage and bridgehead from China to ASEAN.