Tongtian Oral Liquid is a kind of proprietary Chinese medicine with the effect of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), and is mainly used for the treatment of migraine caused by blood stasis and obstruction. The main ingredients of Tongtian Oral Liquid include Rhizoma Ligustici Chuanxiong, Radix Paeoniae Alba, and Tianma, etc. It has the effects of activating blood circulation and removing blood stasis, dispelling wind and relieving pain (dissipating wind evils and relieving musculoskeletal pain). It is mainly used for the treatment of migraine caused by blood stasis and obstruction, etc., which manifests as recurrent head swelling and stabbing pain, and may also manifest as dizziness, nausea and vomiting, and bad wind. The above symptoms may be aggravated by wind. A small number of patients taking the drug may have adverse reactions such as stomach pain, skin rash, abnormal liver function (ALT, AST) elevation, abnormal coagulation function, etc. The drug should not be taken blindly, and should be standardized under the guidance of a doctor. It is forbidden to be taken by patients with hemorrhagic cerebrovascular disease, yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang) and pregnant women.