1, other names of Leonurus japonicus: Artemisia Mu Yi, Muyi, Carthamus tinctorius, Wild Gastrodia elata, Stigma Maydis, Juncus Juncus and Hemp. It belongs to Labiatae, Leonurus, which blooms in summer. Its dry aerial parts are commonly used traditional Chinese medicines, which are produced in most parts of China and used for raw or boiled ointments. Annual or biennial herbs are distributed in most areas of China. They are born in wasteland, ridges and grasslands in Shan Ye. Picking flowers when they are not in full bloom in summer has bitter and cool taste, promotes blood circulation, removes blood stasis, regulates menstruation and promotes diuresis, and can be used for treating irregular menstruation, fetal leakage, dystocia, retention of fetal membranes, postpartum blood halo, abdominal pain due to blood stasis, metrorrhagia, hematuria, diarrhea, carbuncle, swelling, sores and poison.

2. Motherwort has the functions of diuresis, detumescence and contraction of uterus, and is an important medicine for treating gynecological diseases by physicians in past dynasties.