Alzheimer’s refers to dementia over 65 years old, in fact, it is called senile dementia, whether it will be inherited is as follows: 1, if the patient is reversible dementia or treatable dementia, such as common anemia, low thyroid function or folic acid deficiency, after drug treatment, cognitive impairment may return to normal, such dementia will not be inherited; 2, easy to inherit is mainly Alzheimer’s disease, also known as Alzheimer’s disease It is easy to inherit, generally divided into > 65 years old and < 65 years old two kinds of dementia, under 65 years old is called early senile dementia, the onset is relatively high, this type of genetic incidence is relatively high, mainly including APP gene, PSP gene, and genetic relationship is very close. If a family member has the disease before the age of 65, the offspring may have the disease earlier, for example, in their 40s.