朱砂是天然矿石，为无机汞化合物，主要是硫化汞（ＨｇＳ），约 ９６ ０％左右。汞与蛋白质中的羟基有特别的亲合力，高浓度时，可抑制多种酶的活动，进人体内的汞，主要分布在肝肾，引起肝肾损害，并可透过血脑屏障，直接损害中枢神经系统。另外，朱砂尚含有硅、铁、锑。锌、 Cinnabar is a natural ore, an inorganic mercury compound, mainly mercury sulfide (HgS), which is about 96%. Mercury has a special affinity with the hydroxyl groups in proteins. In high concentrations, it can inhibit the activities of various enzymes. Mercury that enters the body is mainly distributed in the liver and kidney, causing liver and kidney damage, and can pass through the blood-brain barrier directly. Damage to the central nervous system. In addition, cinnabar still contains silicon, iron and yttrium. Zinc,