There are definitely side effects when drinking too much motherwort. Excessive doses can cause systemic reactions such as general weakness, numbness of the limbs, lumbago, hematuria and decreased blood pressure, etc. Long-term use of motherwort granules can cause interstitial lesions of the kidney and other kidney function damage. The modern pharmacological research of motherwort granules, the main components are alkaloids, flavonoids, polysaccharides, fatty acids, volatile oils, vitamins and trace elements. Motherwort has anti-inflammatory, antibacterial, analgesic, diuretic, uterine excitement, anti-ischemia, hemodynamic improvement, anti-thrombotic, central excitation, antioxidant, anti-tumor, immune enhancement, and anti-preterm pregnancy effects. It has the effects of activating blood circulation, regulating menstruation, diuretic and decongestant, and clearing heat and detoxification. It is mainly used clinically for patients with irregular menstruation, dysmenorrhea, amenorrhea, dripping of malignant dew, edema and oliguria, so it must be taken properly under the guidance of a doctor.