Wolfsbane can be poisoned by drinking it in water, and it is usually used externally and not internally. Wolfsbane, this product is the dried root of the plant Euphorbiaceae or Wolfsbane Euphorbiaceae, family Euphorbiaceae. Sexual flavor is pungent, flat, toxic. Attributed to the foot Taiyin spleen meridian and foot syncope Yin liver meridian. This product has the effect of dispersing knots and killing insects. It is used externally for the treatment of lymphatic tuberculosis, dermatophytosis, and can also be used to exterminate maggots. It is used as a poultice and applied externally, or the fresh rhizome is peeled and pounded externally. Wolfsbane is usually concocted with vinegar, selecting clean wolfsbane, slicing it and then frying and drying it according to the vinegar method can be used. It should be noted that this product belongs to the nineteen fears of “wolfsbane is most afraid of mithrax”, that is, wolfsbane can not be used with mithrax at the same time. The use of traditional Chinese medicine needs to be guided by a professional physician, and for poisonous drugs, it is even more necessary to be cautious and follow the doctor’s instructions.