Moxibustion on aconite cake

The application of moxibustion using cakes of aconite (Aconiti Radix Lateralis Praeparata, 附子 fù zǐ) as an insulating medium. The cakes are made by grinding the aconite to a powder and mixing it with yellow wine (rice or millet wine) and formed into a dry, crustlike substance about 0.1 inch thick. The cake crust is perforated and placed on the point and moxa is burnt on top of it. Because aconite is acrid and hot, this method can treat yáng vacuity diseases. It is most commonly administered on enduring sores (and boils) to stop suppuration and permit healing.