古人称“发为血之余”,收集人的头发,除去杂质后用水洗净、晒干,放瓷器钵内或锅内盖严,用泥封固,盖上放米少许,煅烧至米成黄色为度,待冷取出,退去火气,研极细末备用,就成了神奇的中药──血余炭。中医认为血余炭味苦、性平,入肝、胃经,有止血消瘀、补阴利尿的功用,可用于多种出 The ancients claimed to be “for the rest of the blood,” collecting human hair, removing impurities, washing with water, and drying, placing the porcelain inside or inside the pot tightly, sealing with mud, putting a little rice on the lid, and calcining it into rice. Yellow is the degree, to be removed from the cold, get rid of anger, research very fine spare, it has become a magical Chinese medicine - blood charcoal. Chinese medicine believes that blood excess charcoal is bitter and bitter, that it enters the liver and stomach, and that it has the function of stopping bleeding, eliminating phlegm, and supplementing urine and diuresis. It can be used for various purposes.