Mugwort is warm in nature, pungent and bitter in flavor, and belongs to the liver, spleen and kidney meridians. It has the effects of warming the menstruation and stopping bleeding (warming the body’s meridians to stop bleeding in the body). Ai Ye is a common Chinese herbal medicine, there is a small poison, internal use of warm menstruation to stop bleeding, dissipate cold pain (by removing the body’s cold to relieve pain) effect, external use can play a role in eliminating dampness and relieve itching. Clinically, Ai Ye is often used internally to treat vomiting of blood, epistaxis, metrorrhagia (excessive menstrual flow or dribbling), excessive menstruation, foetal leakage (vaginal bleeding during pregnancy), abdominal pain, irregular menstrual chills, and infertility in the cold uterus. When used externally in fumigation, it can be used to treat itchy skin. When used with vinegar and moxa charcoal, it can be used to treat deficiency and cold bleeding. People with Yin deficiency and blood heat should be cautious of taking moxa, and the adverse reactions and contraindications of taking moxa are not clear. It is recommended to use the medicine under the guidance of a professional Chinese medicine practitioner, and to seek medical treatment promptly if any uncomfortable symptoms arise.