The difference between mugwort and motherwort lies in the medicinal properties, attribution, efficacy, main treatment and contraindications. The specific differences are as follows: 1. Medicinal properties: mugwort is pungent, bitter and warm; while motherwort is bitter, pungent and slightly cold. 2. Meridian: Ailanthus goes to the liver, spleen and kidney meridians; while Motherwort goes to the liver, pericardium and bladder meridians. 3. Effects: Mugwort has the effects of warming menstruation and stopping bleeding (warming the meridians of the body to stop bleeding), dispersing cold and relieving pain (relieving pain by removing the cold in the body); while Motherwort has the effects of activating blood circulation and regulating menstruation (regulating menstruation by activating blood circulation), diuretic and eliminating swelling (facilitating the excretion of urine and eliminating oedema), and clearing heat and removing toxins (clearing heat and toxins from the body). 4. Indications: Ailanthus is mainly used for treating vomiting of blood, epistaxis, metrorrhagia (excessive menstrual flow or dripping), excessive menstrual flow, fetal leakage (small amount of vaginal bleeding in early pregnancy), hyperemia, and uterine coldness and infertility, etc., while Motherwort is mainly used for treating menstrual disorders, dysmenorrhea and menstrual closure, inexhaustible menstrual discharge, and swelling and poisoning of ulcers and sores. 5. Contraindications: Yin deficiency and blood-heat should be cautious of using mugwort; pregnant women should be cautious of using motherwort. Mugwort is a plant in the family of Asteraceae, its leaves can be used as medicine, called mugwort leaves, motherwort is a plant in the family of Labiatae, motherwort dry above ground part. It is recommended that patients should use mugwort and motherwort under the guidance of a doctor.