bamayaozuzizhixianIntroduction：Introduction to Bama: Bama Yao Autonomous County, known as "the world's longevity town · Chinese people Ruisheng", belongs to Hechi City, Guangxi Zhuang Autonomous Region, in the northwest of Guangxi, with Baise, Tianyang, Tiandong, Pingguo, Dahua, Donglan, Fengshan, Lingyun and other cities and counties are close neighbors. The county is 1971 square kilometers, and it is home to 12 ethnic groups including Yao, Zhuang and Han. In 2012, there were 270,000 people in Bama County, 8 square kilometers in the built-up area of ​​the county, and 60,000 people lived. The terrain of Bama is high in the northwest and low in the southeast. There are few mountains in the territory. It is known as the “eight mountains, one water and one field”, and the land is very precious. According to the second to fifth national census, Bama’s 100-year-old birthday star ranks first in the world’s five longevity areas. Bama is the "hometown of Chinese pigs." In 2005, Bama Xiang pigs were protected by national geographical indication products.