Rhizoma Ligustici Chuanxiong is effective in activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), regulating qi and relieving pain (relieving pain by unblocking qi), and dispersing wind and dispersing cold, and is mainly used for treating chest paralysis (stuffy pain in the chest) due to stagnation of the heart veins and channels, such as cardiac pain, etc. It is also useful in treating chest pain due to blood stasis and blood stagnation, and may be taken internally in decocted soup or powdered for external use. Rhizoma Ligustici Chuanxiong is a qi herb for blood, which is capable of promoting both qi and blood circulation. It is used in the treatment of various kinds of blood stasis and pain, sores and ulcers, menstrual disorders, dysmenorrhea, headaches and rheumatism paralysis. Recommended dosage: internally in decoction (3-10g) or crushed into pills (1-1.5g); externally crushed and sprinkled on the affected area or decocted to gargle. Note that excessive or inappropriate use of Rhizoma Chuanxiong may cause gastrointestinal symptoms and allergic reactions, such as nausea and vomiting, chest tightness, skin itching and pimple, macular rash, etc.; prohibited for pregnant women and people with yin deficiency or hyperthermia. Rhizoma Chuanxiong should be used under the guidance of a professional doctor and in accordance with medical advice, do not use the drug blindly on your own, so as to avoid adverse consequences.