Trigeminal neuralgia belongs to the category of “headache” in Chinese medicine. If the disease is triggered by external wind and blood stasis, Zhengtian Pills can be used for treatment. Zhengtian Pill is composed of Crocus sativus, Paeonia lactiflora, Rhizoma ligustici chuanxiong, Angelica sinensis, Radix angelicae sinensis, Angelica dahuricae, Fenghuang, Qianghao, Tao Ren, Safflower, Sinica and Duhuo, etc. It has the efficacy of dispersing wind and invigorating blood (dispersing the wind evils and facilitating the operation of blood), nourishing the blood and calming the liver (calming the winds of the liver by replenishing the liver’s blood), and clearing the channels to stop the pain (dredging the meridians and collaterals and relieving pain). It can be used clinically to treat migraine, tension headache, neurotic headache, cervical spondylosis-type headache and other conditions caused by external wind, blood stasis and obstruction of collaterals, loss of nourishment by blood deficiency, and hyperactivity of liver yang (excessive liver yang causing dizziness, dizziness, headache and other symptoms). The drug may cause dry mouth, bitter mouth, abdominal pain, diarrhea and other adverse reactions, for patients with high blood pressure, heart disease should be taken with caution. At the same time, smoking, alcohol, spicy and greasy food should be avoided during the medication. Patients with trigeminal neuralgia are advised to go to regular hospitals for consultation and treatment under the guidance of professional physicians.