石决明为常用中药。功能平肝潜阳,清热明目。用于头痛、眩晕、目昏、角膜炎、视神经炎,近代还用以治疗高血压。已往商品石决明以杂色鲍(俗称九孔鲍)的贝壳占主流,其次为盘大鲍和羊鲍的贝壳。老药工称前者为“光底决明”,认为质量好,称后二者为“毛底决明”,质量次。《中国药典》规定为鲍科动物杂色鲍Haliotis diversicolor Reeve、盘大鲍H.gigantea discus Reeve(本种学名已改为皱纹盘鲍H.discus hannai Ino.)或羊鲍 Shi Ju Ming is a commonly used traditional Chinese medicine. Functional Pinggan Qianyang, heat eyesight. For headache, dizziness, fainting, keratitis, optic neuritis, also used in the treatment of hypertension in modern times. In the past, the shells of cassia jasminoides with variegated abalone (commonly known as the nine-hole abalone) dominated, followed by the shells of abalone and sheep abalone. The old pharmacists claimed that the former was “light-based Cassia,” and considered the quality to be good. The latter two were called “Maoshui” and quality times. The “Chinese Pharmacopoeia” stipulates that Haliotis diversicolor Reeve, Haliotis diversicolor Reeve, H.gigantea discus Reeve (this species has been changed to H.discus hannai Ino.) or Yangba