Artemisia absinthium foot soak has the effect of clearing away heat and detoxification; it is used to treat canker sores and ulcers and other diseases. Bitter artemisia is a kind of traditional Chinese medicine, for the chrysanthemum plant bitter artemisia whole grass, it tastes pungent, bitter, nature flat and slightly cold. This medicine can clear away heat and detoxification (clearing away heat and toxicity in the body), and it also has the effect of activating blood and reducing swelling. It has therapeutic effects on canker sores (a kind of poisonous sores, acute suppurative diseases occurring on the surface of the body, limbs and internal organs), ulcer sores, and anonymous swellings and poisons. The use of this product for external decoction of water wash or boil paste. Clinically, the bitter artemisia and raw rhubarb, red peony, angelica, have the effect of cool blood and relieve pain; and half-summer, rhubarb, gardenia, can clear heat and dry dampness (clearing heat, drying dampness). Adverse effects, contraindications, precautions of Artemisia absinthium are not clear. If there is any discomfort, it is necessary to go to the hospital as soon as possible, under the guidance of the Chinese medicine practitioner to identify the evidence, to develop individualized diagnosis and treatment plan, so as not to delay the condition.