The medicinal effect of mugwort is to dissipate cold pain, warm menstruation to stop bleeding, dampness and itching, clinically used in the treatment of all kinds of hemorrhage, cold abdominal pain, diarrhea and cholera, women’s underwear and other conditions. Mugwort leaf, bitter, pungent, warm, attributed to the liver, spleen, kidney meridian. Clinically, it is used in treating hematemesis, epistaxis (nosebleed), metrorrhagia (excessive menstrual flow or more than a few drops), excessive menstruation, fetal leakage (a small amount of vaginal bleeding in early pregnancy), hyperemia, cold pain in the lower abdomen, irregular menstrual cycles, infertility due to cold in the uterus, etc.; and for treating itching of the skin externally. Vinegar moxa charcoal warms menstruation and stops bleeding, used for deficiency cold bleeding. Mugwort for women’s cold collapse, bleeding in pregnancy, often used in conjunction with Colla Corii Asini, Angelica sinensis, Radix et Rhizoma Dioscoreae to warm menstruation and disperse cold, nourish blood and stop bleeding; if combined with a deficiency of qi that does not regulate bleeding, add Astragalus, Codonopsis, Atractylodes Macrocephala, etc. for the benefit of qi to regulate bleeding (preventing bleeding by means of qi tonification); if kidney deficiency is restlessness of the fetus, add Cuscuta chinensis, Sangsongsheng, and Sequelia, etc. for the nourishment of blood and benefit of the kidney and to stabilize the fetus. It should be noted that people with Yin deficiency and Blood heat should be cautious in taking Ai Ye. The specific use of the drug should be under the guidance of a Chinese medicine practitioner, and should not be used blindly on one’s own.