The temperature of Tangtou hot spring is constantly about 63゜C. According to experts’ reconnaissance survey and assay, the hot spring, forming out of terrestrial heat from extinct volcanoes, contains radioactive elements including radium and radon as well as mineral substances including potassium, natrium, calcium, magnesium and sulfureted hydrogen. Therefore, it is curative to some diseases such as skin disease, diabetes, arthritis, rheumatism and neurasthenic.
According to historical records, 1,400 years ago, Tangtou hot spring was already used to cure illnesses. Even some emperors, princes, and generals would also like to bath here for their health. For example, the emperor of the Northern Wei Dynasty once had his temporary residence built here just for an easy hot spring bath. Now, a sanitarium equipped with all kinds of bathing facilities has been set up for all the tourists.