Strychnine is highly toxic and specific medication should be prescribed by a doctor. Diannan strychnine is an herbal medicine made from the fruits and seeds of the hairy column strychnine plant of the family Strychnidae, which is bitter in taste, warm in nature, and possesses great toxicity. This Chinese herbal medicine has the effect of clearing collaterals and relieving pain, dispersing knots and subduing swelling. It is suitable for the treatment of bruises, fracture pain, numbness and paralysis, carbuncle gangrene (a kind of poisonous sores, acute suppurative disease occurring on the body surface, limbs and internal organs) sores, sore throat. The drug is not recommended to be taken for a long time to prevent poisoning. It should also be noted that the drug is contraindicated in the group of pregnant women. The specific use of the drug should be carried out under the guidance of a specialist, not without authorization, so as not to cause damage to the organism.