You can take motherwort granules for low menstrual flow. Motherwort granules have the effect of activating blood circulation and regulating menstruation, and are generally used for menstrual disorders caused by blood stasis, which are characterized by low menstrual blood flow. Avoid eating cold food when taking motherwort granules. This medicine is not suitable for menstrual disorders caused by deficiency of qi and blood, such as scanty menstrual flow, pale color and thin texture, accompanied by dizziness and palpitation, fatigue and weakness. Patients with high blood pressure, heart disease, kidney disease, diabetes mellitus or undergoing other treatments should take it under the guidance of a physician. Patients who have normal menstrual flow and suddenly have low menstrual flow should go to the hospital for consultation. Adolescent girls and menopausal women should take the drug under the guidance of a physician. Abdominal pain accompanied by vaginal bleeding after various abortions, and those who take the medicine for 1 week without effect should go to the hospital for consultation. Adverse reactions during the course of the medication should be discontinued, and consult a physician.