Generally Zhengtian Pills are taken 1 bag at a time, 2 bags at a time for fear of the risk of overdose of drugs, the specific dosage of medication needs to be decided by a professional physician according to the condition, not blindly use the drug. Zhengtian Pill is composed of Hooker’s Tree, White Peony, Rhizoma Ligustici Chuanxiong, Angelica Sinensis, Radix Angelicae Sinensis, Angelica Dahuricae, Fenghuang, Qiangwu, and Peach Kernel, which has the efficacy of dispersing wind and invigorating blood (dispersing wind and evils and promoting blood circulation), nourishing blood and pacifying the liver (pacifying the wind and wind of the liver by replenishing the liver’s blood), and clearing the channels to alleviate pain (clearing meridians and channels and relieving pain). This product is used for the treatment of migraine, tension headache, neurotic headache, cervical spondylosis-type headache, premenstrual headache and other conditions caused by exogenous wind-evil, blockage of collaterals by silt, loss of nourishment by blood deficiency, and hyperactivity of liver yang (excessive liver yang causing dizziness, dizziness, headache and other symptoms). Some patients may experience mild elevation of alanine aminotransferase and occasional adverse reactions of dry mouth, bitter mouth, abdominal pain and diarrhea after taking the drug. Contraindications to this product are unclear. After the occurrence of discomfort should promptly seek medical attention, under the guidance of physician’s identification and selection of medication, do not self-medication, in order to avoid delays in the condition.