Heijing Ancient Town is one of the four ancient towns in Yunnan. It is located on the banks of the Longchuan River, 98 kilometers northwest of Lufeng County, Chuxiong Yi Autonomous Prefecture, Yunnan, 75 kilometers from Chuxiong and 200 kilometers from Kunming. Since the Han Dynasty, Kuroi has opened wells and boiled salt, forming an ancient town with economic prosperity and multicultural development for more than 2000 years, especially in the Ming and Qing Dynasties, which is known as the "living fossils of society in the Ming and Qing Dynasties". The layout of the ancient town of Heijing is reasonable and clever, arranged along the east and west sides of the Longchuan River, and the Wuma Bridge connects the ancient town to the east and west. During the heyday, 13 squares and more than 30,000 people dyed Heijing into a brightly lit city. The ancient town of Heijing is still fully preserved in the urban pattern of the Ming and Qing eras.