Veratrum has the efficacy of gushing and vomiting wind and phlegm, killing worms and treating ringworm, and is useful for stroke and epilepsy, throat disorders, poisoning and vomiting, and skin disorders of the head. Veratrum is the dried rhizome of black quinoa of Liliaceae, which can dispel wind and resolve phlegm (dispel wind and resolve phlegm), used in stroke and epilepsy to see phlegm stagnation; emetic poison, used for accidentally eating poisonous products stopped in the epigastric region; insecticide ringworm treatment of itching, used for head skin disorders, such as scabies, ringworm, see itching, in addition to quinoa can be used for the treatment of sore throat. Veratrum is cold in nature, with certain toxicity, it is forbidden to use it for those who are weak and pregnant women, the adverse reactions include vomiting, nausea, headache, dizziness, pins and needles feeling in the tongue and throat, and in serious cases, there will be a drop in blood pressure, cardiac arrhythmia, respiratory distress, and even death. It is not suitable to be used together with medicines such as fine Xin, white peony, red peony and so on. Veratrum can gush and spit out wind and phlegm, kill insects and cure ringworm, and is useful for stroke and epilepsy, sore throat, poisoning and vomiting, and head and skin disorders, but it contains some toxicity, and its clinical application has been less, and it is not recommended to take it. The use of veratrum needs to be identified, to avoid the use of private medication, the use of the wrong medicinal properties, resulting in adverse consequences.