Decreased ability to perform daily life and abnormal behavior is a typical manifestation of Alzheimer’s disease. With this disease, the elderly will experience memory loss, decreased ability to perform daily life and other changes. This is also very painful for the whole family. So, how should the elderly dietary therapy when their daily life ability decreases and their behavior is abnormal? Nutritionist pointed out that eating more mixed grains has a great effect on the prevention of Alzheimer’s disease. 1, coarse and fine grain with a lot more nutritional value than eating a single grain. Such as eating rice alone, the utilization rate of protein is only 58%, if mixed with corn, protein utilization rate can be increased to 71%; millet, flour, soybeans and beef single food, its nutrient utilization rate of less than 70%, while the four food with the use of, can be increased to 99%. It can be seen that coarse and fine food with increased absorption of nutrients, which is very meaningful to Alzheimer’s patients. 2, coarse grains, grains contain a lot of fiber. Food fiber is known as the nutritionist magical nutrients. The human body needs cellulose, fruit acids and lignin, etc. exist in large quantities in wheat bran, beans, starch and vegetable leaves, stems, roots and fruits, potatoes. Medical research shows that cellulose has a good laxative, blood pressure, blood fat, cholesterol, blood sugar regulation, preventing atherosclerosis and other effects, so it is good for the prevention of vascular dementia in the elderly. 3, at the same time a variety of coarse, mixed grains also contains various characteristics of the brain nutrients, such as vitamins, mineral salts, unsaturated fatty acids, etc., is also necessary for the brain health of the elderly. Warm reminder: not just eat grains can control the development of Alzheimer’s disease, if the elderly at home appeared daily life ability to decline and behavioral abnormalities and other abnormalities, be sure to go to a formal brain hospital examination, through the diagnosis of timely control of the disease.