ObjectiveBasing on the prescription of Niuhuang Jiedu Tablet,to study processing technology of its multi-layer tablet,so as to induce the lose of borneol.

• 目的以临床常用的中成药牛黄解毒片为基础,研究多层片的制备工艺,避免处方中挥发性成分冰片在制备、贮存过程中的损失。