Foot soaking with mugwort leaves, peppercorns and ginger can assist in discharging dampness, but how long the specific foot soaking can discharge dampness is related to the condition and other factors, can not be generalized. In general, soak your feet for about 2 to 4 weeks can have an effect, but the specific time varies from person to person, should be used under the guidance of a physician. Mugwort is used externally to dispel dampness and relieve itching, which can relieve itchy skin conditions; pepper warms the middle and relieves pain (relieving pain by warming the spleen and stomach), kills insects and relieves itching, and is used externally to treat eczema and itchy pubic conditions. Ginger relieves cold (removes cold from the muscle surface), warms the stomach and stops vomiting (treats vomiting caused by stomach cold by warming the spleen and stomach), and dissolves phlegm to stop coughing, etc. It can treat wind-cold cold, stomach-cold vomiting, cold phlegm and coughing. The combination of the three herbs has the effect of assisting in the elimination of dampness, which varies according to individual conditions and the degree of dampness. Generally speaking, it has an effect in about 2~4 weeks, but the exact time varies from person to person, and should be used under the guidance of a physician. It should be noted that it is difficult to completely remove all the dampness in the body with moxa leaves, pepper and ginger foot soak, can only play an auxiliary role in the discharge of dampness. If the dampness is heavy, but also in the doctor’s discernment under the guidance of the use of medicines or other means of treatment, in order to prevent the delay of the condition, the use of drugs should be used under the guidance of a doctor.