The main effects of drinking mugwort leaves in water are warming menstruation and stopping bleeding, settling the fetus, dispersing cold and relieving pain, but the efficacy of a single herb in water is low, and it only plays a regulating role. Ai Ye can warm menstruation to stop bleeding, can be used to regulate the deficiency of cold female menstrual irregularities, pregnancy blood, collapse (excessive menstrual flow or dripping), non-menstrual irregular vaginal bleeding and other symptoms. The effect of moxa leaf on tranquilizing the fetus has a certain regulating effect on the symptoms of restlessness of the fetus during pregnancy. The role of the leaves of mugwort to dispel cold and relieve pain, can warm the uterus and warm through the body meridians, so as to get rid of cold and pain, can often be used to regulate the relief of women’s menstrual abdominal pain, the lower focal point of the cold, menstrual irregularities, belt thinning, uterine cold and infertility and other gynecological disorders. Mugwort in water only plays a role in regulating the relief, and can not be used alone to treat the disease, should be used under the guidance of a professional physician, if necessary, please go to the hospital in a timely manner.