The danger of Chuanxiong to the kidneys is not yet clear. Chuanxiong is a traditional Chinese medicine, the dried rhizome of Ligusticum chuanxiong of the genus Ligusticum in the family Umbelliferae, which is warm in nature, pungent in flavor, and belongs to the liver, gallbladder, and pericardium meridians, and has the efficacy of invigorating blood circulation and relieving pain (relieving pain by removing stasis of blood) as well as promoting the movement of qi and dispelling wind. Rhizoma Chuanxiong is mainly used for chest palsy (tightness and pain in the chest) cardiac pain due to cardiac stasis (obstruction of heart veins by stasis of blood), coercive and rib distension and pain due to liver depression and stagnation of qi (ineffective qi and blood transportation of the liver and depression of emotions and moods), bruises, menstrual dysmenorrhea, a wide range of headache and rheumatism paralysis pains. Adverse effects of Chuanxiong are related to excessive or inappropriate dosage, often manifesting as nausea, chest tightness, rash, etc. The danger to the kidneys is not yet clear. It is contraindicated in headache caused by yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang qi), yin deficiency and hyperactivity of fire (deficiency of yin essence and hyperactivity of fire), excessive sweating, excessive menstruation in women, and bleeding disorders without blood stasis, and it is contraindicated in pregnant women and in those who are allergic to it. If there is a need for medication, it should be taken correctly under the guidance of a traditional Chinese medicine practitioner, and should not be used blindly, so as not to cause harm to the body.