Wang buliuxing is a common traditional Chinese medicine in our daily life. It is often used in our ear acupoints. It tastes flat and bitter. It enters the liver and stomach meridians. Its main functions are to activate blood circulation and unblock menstruation, lower milk, eliminate carbuncle and diuresis. It has a certain effect on improving dysmenorrhea, amenorrhea and irregular menstruation caused by blood stasis. In addition, it can also treat postpartum milk obstruction caused by mastitis, and has certain improvement effect on adverse urination caused by various gonorrhea. Modern clinical studies have found that Vaccaria can also improve microcirculation, anti-tumor, anti-inflammatory and so on.