The most commonly used herbal medicines for treating AD, such as Salvia miltiorrhiza, Ligusticum chuanxiong, Noto ginseng, turmeric, Herba epimedium, and so on, can treat AD by inhibiting the formation and deposition of amyloid β-protein (Aβ), inhibiting the hyperphosphorylation of the protein tau, antagonizing oxidative stress damage and neuronal apoptosis, or playing an anti-inflammatory effect, etc [70–74]. This evidence concerns the gene MAPT and Alzheimer disease.