The harm of taking Tianma in the clinic is not clear, but those who are weak in qi and blood should not take it. Tianma for the orchid plant Tianma dried tubers, taste sweet, flat, to the liver meridian. The drug has the effect of resting the wind and spasm, calm liver Yang, wind and collateral, clinically used for headache and dizziness, numbness of the limbs, children’s convulsions (with dizziness, convulsions, convulsions as the main manifestations of pediatric diseases), epilepsy and convulsions, tetanus and other conditions of the treatment. The adverse reactions and contraindications of this drug are not clear, but it should not be taken by those who are very deficient in qi and blood. It should be noted that, traditional Chinese medicine emphasizes the identification of the use of drugs, so do not blindly use their own Chinese herbs, in order to prevent adverse effects on the body, the specific use of the doctor’s orders should be followed.