In fact, there is no such thing as a highly toxic Chinese medicine, taking Chinese medicine to follow the doctor’s instructions to take the right symptoms, generally will not produce a toxic reaction, but if you take blindly, or overdose, no matter whether it is a highly toxic Chinese medicine, there may be symptoms of poisoning. Inherently toxic Chinese medicines are Chuanwu, Caowu, Tianxianzi, etc. It is recommended to use them under the guidance of a physician. 1. Chuanwu: it has the effect of dispelling wind and dampness (dispelling wind and dampness in the body), warming the menstruation and relieving pain. Raw Chuanwu must be taken with caution if taken internally, because raw Chuanwu contains aconite, which is highly toxic, and has a great deal of toxicity, and if we accidentally consume an excessive amount of Chuanwu, nausea and vomiting, diarrhea, dizziness, blurred vision, numbness of the whole body, and respiratory distress will occur. 2. Cao Wu: used to treat wind-cold-dampness paralysis (wind, cold, dampness three evils invade the human body resulting in paralysis of the limbs), joint pain, heart and abdominal cold pain (the location of the heart and abdomen feel cold pain), cold hernia pain and anesthesia pain, Cao Wu and Chuan Wu, like a large number of aconite, has a high degree of toxicity, so the raw Cao Wu internal use must be cautious, pregnant women should be prohibited. 3. Tian Xian Zi: antispasmodic and analgesic, asthma, tranquilizing effect, mainly for the treatment of abdominal pain, toothache, bruises and injuries. Tien Hsien Zi contains a variety of alkaloids are highly toxic, internal consumption can not be excessive and continuous consumption, if we accidentally ingested Tien Hsien Zi, poisoning will show symptoms of dry mouth, difficulty swallowing, and in severe cases there may be respiratory failure and death. It is recommended that this herb be used in a standardized manner under the guidance of a professional physician, avoiding self-medication.