Liu Wei Di Huang Wan is a kind of Chinese patent medicine, the main ingredients of which are: Shu Di Huang, wine cornelian, peony skin, yam, poria and Ze Xie, etc. It is mainly used to nourish Yin and tonify the kidney, and is used for kidney Yin deficiency, dizziness and tinnitus, soreness and weakness of the waist and knees, bone steaming and hot flashes, night sweating and seminal emission. This drug has the effects of lowering blood sugar, protecting the liver, anti-hyperthyroidism, anti-tumor, enhancing learning and memory ability and enhancing sexual function. In terms of hypoglycemia it can increase the level of liver glycogen in people, in addition to adjusting urea nitrogen, triglycerides and ketone body levels. In addition, Liu Wei Di Huang Wan has a hepatoprotective effect and can reduce serum glutathione and glutamic oxalacetic transaminase levels. In terms of improving learning memory, it can improve symptoms related to Alzheimer’s disease.