Elderly brain is not Alzheimer’s disease. Elderly brain refers to the physiological changes in the brain with age, in the CT or MRI examination of the head, it can be seen that the cerebral sulcus of the patient is slightly widened, the ventricular system is dilated, and the patient will have mild degenerative changes in the cerebral arteries of varying degrees, and a certain degree of cerebral atrophy occurs. Clinically, the symptoms of Alzheimer’s disease are not too serious, and may be manifested in daily life with mild memory loss, or reduced thinking ability, and inability to concentrate, but it is not a manifestation of Alzheimer’s disease. Alzheimer’s patients will have serious memory loss, cognitive decline or complete loss of intelligence, belonging to the symptoms of Alzheimer’s disease, patients with Alzheimer’s brain in daily life, should pay attention to keep the mood of the mood, to avoid emotional excitement, in terms of diet, to prohibit alcohol, spicy and stimulating food, and usually to do more healthy brain activities.