Automatic temperature control device keep the wax between 58-60°C.As the melting point of the wax is low, its softness,adhensive property and plasticity are good after heating, when treating, the wax film is packed through medical gauze and adhered on transmitting surface of skin, in such way the wax can give full play to its thermal retentively to speed up blood circulation of local tissues and cell permeability, improve skin nutrition.