We took the four main compositions of Qing Kai Ling, a prescription of good effects in clinic,----baicalin, jasminoidin, cholalic acid and concha margaritifera usta as research objects.

• 提取临床疗效较好的清开灵中的四个主要组分黄芩苷，栀子苷，胆酸，珍珠母作为研究对象。