Rhizoma Typhonii is the tuber of Polygonum multiflorum Thunb. of Araceae! Baifu tablets are prepared by peeling and slicing Radix Aconiti Lateralis, bleaching in clear water until the water is milky white, taking out, steaming, drying in the sun, or fumigating with sulfur. It is a medicine with great warmth, which can restore yang and save the inverse. Black aconite is prepared by taking mud aconite from black aconite, washing it according to the size, soaking it in the aqueous solution of edible gall bladder for several days, cooking it together with the immersion liquid until it penetrates through the heart, taking it out, Shui Piao, cutting it into pieces with a thickness of about 0.5cm, then bleaching it with water, dyeing the aconite with color matching solution, taking it out, steaming it until it appears oily and shiny, drying it to half-dry, and then drying it in the sun or continuing to dry it, which is commonly called "Black Shunpian". It should be noted that Yubaifu is Typhonium officinale, that is, one-horned lotus. Baishun tablets are peeled aconite, and black aconite tablets are black ones, but aconite is not peeled!