Aconitum (Ranunculaceae), Ranunculaceae (Aconitum), angiosperm, published JiNing Pharmacopoeia after Tang Dynasty. Also known as kusnezoff monkshood. It is the root tuber of Ranunculaceae plant Aconitum .. or Aconitum .. etc. Pungent, hot and poisonous. Enter the liver and spleen meridians, dispel wind and remove dampness, dispel cold and relieve pain, and reduce swelling. 1 Used for treating arthralgia due to wind-cold-dampness, arthralgia, paralysis due to apoplexy, tetanus, migraine, abdominal cold pain and scabies. Radix Aconiti Kusnezoffii Preparata 1.5-6g is decoction, which should be decocted for more than 1 hour for a long time. Treat swelling and pain caused by gangrene of yin, and scrofula begins. External application of kusnezoff monkshood powder is not suitable for skin injury. Excessive oral or improper decoction can easily lead to poisoning. Pregnant women avoid eyes. Rhizoma Bletillae, Bulbus Fritillariae Cirrhosae, Radix Ampelopsis, Rhizoma Pinelliae and Fructus Trichosanthis. Both species of Aconitum kusnezoffii contain aconitine and neoaconitine. Aconitine has analgesic effect on mice, and total alkaloids of Aconitum have anti-inflammatory effect on rabbits and mice. It can slow down the dog's heart rate, cause arrhythmia and even cause ventricular fibrillation. Aconitum kusnezoffii also has local anesthetic effect.