The external application therapy in Chinese medicine is based on different diseases, using symptomatic medicines to apply to the relative acupoints and body surface, through the stimulation of acupoints and skin absorption, regulating the human body’s qi, blood and fluid, etc., so as to achieve the purpose of dispelling wind and dispersing cold (dispelling the wind evil and dispersing the cold), warming up the menstruation and relieving pain, and preventing and curing the diseases. Commonly used external compresses include wet compresses, hot compresses, cold compresses, medicinal compresses, wax compresses, magnetic compresses, umbilical cord compresses and so on. External application of drugs through the direct and indirect effects to achieve the purpose of disease prevention and treatment, for more serious diseases, can also be combined with other therapies for synergistic treatment. External compress therapy with the corresponding drugs can usually play a swelling and blood, blood to remove corrosion, detoxification and pain relief, moisturizing the skin and skin, suitable for ulcers, rotting flesh has not been removed, the new flesh has not been born, or for a long time can not be closed the mouth. It can be applied externally to specific acupoints and meridians, etc., and can play the role of communication between the inside and the outside. If you need to use external therapy, it is recommended to do so under the guidance of a regular Chinese medicine practitioner.