Aconite is a class of toxic Chinese medicine containing mainly aconitine, which is generally concocted clinically. It mainly includes Chuan Wu, Cao Wu, Radix Aconiti and Artemisiae Xue Shang, which are mainly used to warm the middle and disperse cold, return Yang and save rebellion, and are mostly used for people with Yang deficiency, mainly harming the circulatory system and central nervous system. Its toxicity can lead to cardiac arrhythmia, and in the eighteen counteracts of traditional Chinese medicine, there is the saying of Half Piper, Bayberry and Tapping Wu, that is, Wu Tau class of drugs should not be used with Half Piper and Gua Piper, Bayberry class including Chuan Piper, Zhe Piper and Bupleurum and Bupleurum together, and because of its toxicity, it is usually decocted for 0.5-1h in the decoction first.