Chuanwu generally refers to the raw Chuanwu, the preparation of Chuanwu is the Chuanwu concoction processed products. The difference between the two is that raw Chuanwu is more toxic and can only be used externally, the system Chuanwu less toxic side effects can be taken internally. Chuanwu belongs to the buttercup plant aconite dry mother root, also called aconite. Its effect is to dispel wind and dampness, warm menstruation and relieve pain. It is used for wind-cold and damp paralysis, joint pain, cold pain in the heart and abdomen, cold hernia pain and anesthesia pain relief. The therapeutic effects of Prepared Chuanwu and Chuanwu are equivalent in clinical practice. For internal use, it should be used to make Chuanwu, Chuanwu is for external use only, do not use on broken skin, pregnant women are prohibited. The use of Chinese medicines is recommended to be under the guidance of a professional doctor, do not use medicines privately, so as not to cause damage to the organism.