Mugwort is the traditional Chinese medicine mugwort leaves, mugwort leaves decoction water for external use, can play a dampness and itching effect. But moxa leaves foot bath, its active ingredients are limited, not necessarily can play a therapeutic role. Mugwort leaves are pungent, bitter, warm, with a small poison. Attributed to the liver, spleen, kidney meridian. There are warm menstruation to stop bleeding (warm the human body meridians, stop bleeding in the body), dispersing cold pain (through the removal of cold in the body to alleviate pain) effect, external use can dispel dampness and relieve itching. Clinically, it can be used for vomiting blood, epistaxis, metrorrhagia (excessive menstrual flow or dribbling), excessive menstruation and other conditions. This product can be used externally for fumigation to treat itching of the skin, and foot soaking in decoction of mugwort leaves can also relieve itching of the feet and other discomforts. However, foot soaking with mugwort leaves has limited active ingredients and may not always have a therapeutic effect. When taken internally, it should be noted that people with Yin deficiency and blood heat should be cautious. This drug has a small poison, should not be taken in large quantities, pregnant women should be cautious. Mugwort leaves are pungent and warm, suitable for patients with cold in the body, with symptoms of fire and broken lower limbs need to be cautious of foot soaking in mugwort water, so as not to cause fire, leg infections and other adverse reactions. Note that the external use of mugwort may cause local skin heat, flushing and other discomforts. Chinese medicine needs to be used under the guidance of a professional physician, do not use on your own to avoid adverse consequences.