Objective: To discuss the clinical curative effect of Modified Yiqi Congming Decoction in the treatment of Alzheimer's disease with spleen and kidney deficiency type. Methods: 60 cases of AD were randomly divided into the treatment group and the control group. The treatment group( 30 cases) was treated with Modified Yiqi Congming Decoction and the control group( 30 cases) treated with Donepezil Hydrochloride Tablets. We observed the changes of the AD patients' mini- mental state scale( MMSE),ADAS- cog,activ...