Mugwort water can assist in the treatment of eczema, but it is not clinically possible to cure eczema, and it is not recommended to apply mugwort boiled water to treat eczema on your own. Because mugwort belongs to Chinese herbal medicine, it should be used in the scope of traditional Chinese medicine and should be treated according to the evidence. Mugwort is warm in nature, entering the liver, spleen and kidney meridians, warming the menstruation and dispersing cold, and is generally used for symptoms such as irregular menstruation, dysmenorrhea or abdominal pain caused by deficiency cold in the lower jiao, or cold visiting the uterus. A decoction of this product for external washing can also be used to treat conditions of itchy skin and eczema. Eczema is a common acute or chronic inflammatory skin disease caused by a variety of internal and external factors, and belongs to the category of “damp sores”, “dip sores”, “blood and wind sores” or “corn sores” in Chinese medicine. “It is characterized by a polymorphic rash with easy exudation, accompanied by pronounced itching, symmetrical distribution, and recurrent attacks. When topical decoction of mugwort is used externally, it can dispel dampness and relieve itching. However, not all eczema can be treated with mugwort boiled in water. A professional TCM doctor is needed to identify and treat the condition, and patients are advised to visit the dermatology department of a Chinese medicine hospital. In general, when you have eczema, you should avoid scratching, rubbing and scalding with hot water, avoid eating spicy and irritating foods, pay attention to skin care and keep it clean. If the symptoms are serious, seek medical treatment in time to avoid delaying the condition.