Xiaotangshan has a long history of geothermal hot spring. The use of hot spring water can be traced back to the
Southern and Northern Dynasties period of China, dating back over 1,500 years ago. The Xiaotangshan hot springs has records of early emperors using the springs for medical baths. The
Qianlong Emperor of the
Qing dynasty built the Xiaotangshan imperial palace and inscribed "九华兮秀". The hot spring water contains minerals and trace elements such as strontium, lithium, selenium, and other silicic acid mineral elements. Xiaotangshan has rich geothermal resources. In Xiaotangshan center, resources are within 30 kilometers of ground water. Deep geothermal water depth in regions ranging from about 150–1400 meters to Xiaotangshan for the most shallow, less than one hundred meters. Due to the different regions and the depth of water, the water temperature is different, mostly in the 40-50 °C, the highest in the central area of Xiaotangshan 55-64 °C. ==Economy==