Bathing is the simplest and most commonly used method. Besides hot water bath and mineral spring bath, there are two kinds of bath regimen: cold water bath and medicinal bath.

Cold water bath means that the temperature of the water used for bathing is slightly lower, so that the bather's body is stimulated by the cold water temperature, and the method to achieve the purpose of regulating the functions of various systems and improving the body's immunity is called cold water bath, including bath surface, bath body, foot bath, immersion bath, shower, winter swimming and other forms.