Motherwort granules can be drunk for menstruation, but not for patients with excessive menstrual flow. Menstruation refers to the cyclical shedding and bleeding of the endometrium along with the cyclical changes of the ovaries. It is mainly used to treat irregular menstruation, dysmenorrhea, postpartum bruising and abdominal pain due to stagnation of qi and blood. It is important to note the following when taking motherwort pellets: 1. Avoid cold and stimulating foods during menstruation, do not take cold baths, and pay attention to keeping warm. 2. Start taking the medicine 3-7 days before menstruation until the dysmenorrhea is relieved. 3. Patients with allergies should use this medicine with caution, and if they are allergic to this product, this medicine is prohibited. 4. 5. Patients whose symptoms are not relieved or aggravated after taking the medicine need to go to the hospital for timely consultation.