Red powder has the efficacy and effect of pulling out poison, removing pus, removing decay and generating muscle. Red powder is red mercuric oxide, taste pungent, hot, with great toxicity, has the effect of removing corrosive muscle, pulling out poison and removing pus, used for carbuncle (is a kind of poisonous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease) furuncle, syphilis chancre, all the evil sores, meat dark purple and black, putrefactive flesh does not go, sinus fistula, pus drenching, long time does not close the mouth. This product is for external use only and cannot be taken internally. It can be used alone or in combination with a very fine powder, dry or mixed, or twisted to put powdered medicine to use. This product has great toxicity, external use should not be excessive or continuous use, external ulcers have been removed or pus has been exhausted should not be used, pregnant women are prohibited. If you need to use the red powder, it is recommended to use it after the traditional Chinese medicine practitioner’s diagnosis, do not use the medicine by yourself, so as not to cause serious consequences.