Lushan hot spring stretches for hundreds of miles, and there is a hot spring area every 25 miles. There are five hot spring groups from west to east: Shangtang, Tang Zhong, Wentang, Xiatang and Shentang. The water temperature is between 49 and 73 degrees Celsius, and it is rich in more than ten kinds of trace elements such as boron, lithium, fluorine, radium and radon, which has high health care value. "Henan Tongzhi" contains: "The hot spring is in Lushan County, formerly known as Huang Quan, and it is tasted after business." Li Daoyuan, a geographer of the Northern Wei Dynasty, wrote in Notes on Water Classics? The article "Diving" said that Lushan Hot Spring "can cure all diseases".