Xinhong is an alias of the Chinese medicine Yin Zhu, which can attack poison and dispel phlegm. The Chinese medicine Yin Zhu is mercury sulfide made from sulfur, mercury and potassium hydroxide by heating and sublimation, and is also known as Xinhong, Shuihua Zhu, Scarlet Red, Purple Powder Cream and other aliases. Silver vermilion can attack poison, kill insects, dry dampness, expectorant, commonly used in the treatment of carbuncle (is a kind of poisonous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease) swelling and poisonous, vicious sores, scabies and so on. Yin Zhu is a poisonous and toxic product, it is prudent to take it internally, not to overdose or take it continuously. Pregnant women are forbidden to take it. Do not use fire calcination. It is recommended that patients be treated with medication under the guidance of a doctor, do not self-medicate, so as not to delay the condition.