2. Liu Yinu is good at dispersing blood, dredging menstruation, removing blood stasis and relieving pain. For amenorrhea and postpartum blood stasis pain, Chinese herbs such as Angelica sinensis and Carthamus tinctorius can be used together, and Chinese herbs such as Rhizoma Drynariae and Rhizoma Corydalis can be used together for traumatic injury and blood stasis pain. If traumatic bleeding pain occurs, this product can be ground and applied externally. In addition, this product has fragrant smell, and has the effect of invigorating spleen and appetizing, and can be used for patients with indigestion and abdominal distension and pain, and can also be used together with drugs for promoting digestion and promoting stagnation.