The correct way to take Chuanxiong is to decoct the soup and take it internally, crush it and swallow it, or take it in pills or powder. Ligusticum Chuanxiong is a traditional Chinese medicine, the dried rhizome of Ligusticum Chuanxiong in the genus Ligusticum in the family Umbelliferae, which is pungent in flavor, warm in nature, and belongs to the pericardial, hepatic, and gallbladder meridians. It is effective in dispelling wind and relieving pain (dissipating wind evils and relieving musculoskeletal pain), promoting qi circulation and activating blood circulation (promoting the flow of qi to enable blood circulation), and can be used to treat cardiothoracic pain, distension and pain of the ribs and muscles, swelling and pain of bruises, menstrual disorders, dysmenorrhea, and so on. Excessive dosage of Rhizoma Ligustici Chuanxiong may cause adverse reactions such as nausea, vomiting, chest tightness and itching of the skin. Note that this product is contraindicated in those who are allergic to it, allergic persons should be cautious, pregnant women should avoid using it, headache caused by hyperactivity of liver yang (liver yang is overactive, causing dizziness, dizziness, headache and other symptoms) should be cautious, yin deficiency and fire (deficiency of yin and essence in the body and hyperactivity of deficiency fire occurs), women’s menstruation and bleeding disorders with no blood stasis should not be applied. If there is a need for medication, it is recommended that it be used under the guidance of a doctor, and not blindly used on its own to avoid adverse effects.