This paper reviews the research progress of Roucongrong(Cistanches Herba)in the treatment of Alzheimer’s Disease,including its general situation,chemical composition,pharmacological effects. The Chinese medical therapy for Alzheimer’s Disease mainly base on tonifying kidney. Roucongrong(Cistanches Herba)shows the effects of tonifying kidney yang and benefiting essence and blood,which is commonly used in Chinese medical therapy for Alzheimer’s Disease. Roucongrong(Cistanches Herba)shows the effects of anti-oxidation,anti-inflammation,immune regulation,promoting metabolism,protecting nerves and so on,which shows good application prospect in the prevention and treatment of Alzheimer’s disease.