Xiaotangshan Hot Springs naturally gush out from underground water sources through cracks in the earth's crust, without artificial heating or treatment. Formed in the limestone fissure of Wumishan Formation in Proterozoic, the water quality is clear and transparent, and it contains many minerals and trace elements. The characteristics show that Xiaotangshan hot spring is a natural hot spring resource, which has certain medicinal value and health care function.