Raw epiphyllum is toxic. Raw epiphyllum is generally referred to as the epiphyllum that has not been concocted. It is the sub-root of aconite belonging to the buttercup plant of the buttercup family, and is mainly used for cold limbs, impotence, renal yang insufficiency (lack of yang in the kidneys), and death of yang deficiency, and other uncomfortable symptoms. Because of the large content of aconitine in raw epiphyllum and its toxicity, when taking raw epiphyllum without a good grasp of the amount, it is easier to lead to aconitine poisoning. Although the medicinal effect of raw epiphyllum is good, but there is a certain degree of toxicity, if not used properly, there may be respiratory difficulties, dizziness, numbness of the tongue, vomiting, gastrointestinal discomfort and other toxic phenomena. When using raw epiphyllum, you need to be careful not to use it together with smallpox pollen, shellac, hyacinth, etc., so as not to affect the effect of the drug, in addition, the raw epiphyllum must be used under the guidance of a doctor, so as not to cause poisoning.