Objective:Early- onset Alzheimer' s disease dementia patients were treated with compound Haishe capsules and donepezil treatment,observing its effect on cognitive function and quality of life of patients. Methods:In our hospital June 2013-June 2014,84 cases of early- onset Alzheimer' s disease dementia were as the study object. According to random number,they were divided into control group and treatment group,42 cases in each. The control group was given 5 mg of donepezil treatment,once a day;treatment gro...