Alzheimer's disease (AD) is the most common form of dementia, and disease-modifying treatments are currently lacking. In traditional Chinese medicine (TCM), it is believed that kidney-essence deficiency is the internal mechanism of AD, and invigorating kidney and nourishing essence is the basic principle of TCM treatment of AD, which runs through the whole treatment process. Bushen Yizhi formula is a prescription for the treatment of AD, with rich experience in clinical practice. There have been massive literature reports on the treatment of AD...