Tianma is a traditional Chinese medicine with the functions of restraining wind and stopping spasm, calming liver yang, expelling wind and clearing channels (removing wind evil and dredging meridians). It is mainly used for treating internal movement of liver wind, convulsions of eclampsia and dizziness. Tianma, sweet in flavor and flat in nature; it belongs to the liver meridian. Clinically, it is mainly used for the treatment of liver wind, convulsions of epilepsy, dizziness, headache, numbness of limbs, hand and foot, rheumatism paralysis and so on. Adverse effects of Tianma: Tianma and Tianma preparations occasionally have allergic reactions and poisoning. Pregnant women should be cautious. The elderly and infants should not be long-term use. Bradycardia, hypotension patients should not be large amounts of long-term use, so as not to aggravate the condition. If you need to use Tianma, must be used under the guidance of a professional doctor.