Mugwort has the efficacy of warming menstruation and stopping bleeding (warming the human body’s meridians to stop bleeding in the body), dispersing cold and relieving pain (relieving pain by dispelling cold in the body), and can be used externally to dispel dampness and relieve itching, which can be used for leakage of menstruation (excessive menstruation or dribbling), excessive menstruation, cold pain in the lesser abdomen, cold uterus and infertility, and used externally for itching of the skin. Mugwort is pungent, bitter, warm and slightly poisonous, and belongs to the liver, spleen and kidney meridians. It has the efficacy of warming menstruation, stopping bleeding, dispersing coldness and relieving pain, and can be used for treating vomiting of blood, epistaxis, avian leakage, excessive menstrual flow, foetal leakage (a small amount of bleeding from the vagina in the early stage of pregnancy) and bleeding, cold and painful oligoastrocystic condition, cold and irregular menstruation, cold uterus and infertility and for treating itching of the skin when applied externally. Mugwort can be used raw or fried charcoal, vinegar moxa charcoal warms menstruation and stops bleeding, used for cold bleeding. In case of discomfort, it is recommended to go to the hospital, consult a traditional Chinese medicine practitioner for evidence-based guidance, and follow the doctor’s instructions for medication, not self-medication.