Based on traditional formula, Yimucao granule is consisted of the well known medicinal herb motherwort, which is the supreme plant in TCM for activating blood and regulating menstruation, it has the function of helping to contract the uterus, improve the microcirculation and counter the platelet aggregation. The granule is most suited to menopause, menstrual pain and stasis caused bellyache after delivery women. Yimucao(good for mother herb) because of its beneficial effect to mother and got the name, which has been used by practitioner of TCM for thousands of years, and can be said to be free of side effects when used in appropriate circumstances. Anyone who is considering the use of this granule should consult with a qualified practitioner of TCM who can determine if another product or another form of treatment is most suited for any particular patient's condition.