According to records, since ancient times, there have been four Tanghe rivers in the east, south, west and north of yingshan county, and their outlets are "roaring like boiling, like charcoal in a furnace; It's hot and stuffy, just like the steaming heat in Yang Kang. In the old annals, it is listed as the first of the eight scenic spots in Yingshan, and it is called "Spring Scenery of Hot Springs", with three hot springs in the east, west and north. Among them, the East Hot Spring is about 10 km away from the county seat, and the water temperature is 46℃. North hot spring is 250 meters away from the county seat, and the water temperature is 69 ~ C;; The west hot spring is 1.5km away from the county seat, and the water temperature is 73℃. According to the investigation and appraisal by Hubei Wendgeothermal Brigade and other scientific research departments, the three hot spring waters are transparent and tasteless, mainly containing sulfur free radicals and chloride ions, which are beneficial to people, storage and crops and have broad development prospects. Hot springs have high water temperature, large flow and concentrated distribution, and have been called "the first soup in southern Yunnan" since ancient times.