Right cerebellar hemisphere infarction does not usually cause Alzheimer’s disease. Right cerebellar hemisphere infarction is not a cause of Alzheimer’s disease, which is primarily a degenerative degeneration of the central nervous system. Alzheimer’s disease is a condition in which people over 60 years of age suffer from a prolonged period of intellectual, thinking, memory, numerical, and emotional disorders, as well as a decrease in their ability to perform activities and lead a life of their own. Common types include Alzheimer’s disease and vascular dementia. Alzheimer’s disease is a neurodegenerative disease, vascular dementia is related to cerebral arteriosclerosis, arteritis and other factors, but mainly affects the cerebral cortex and leads to dementia symptoms. Cerebral infarction that occurs in the right cerebellar hemisphere will not cause dementia if it is not combined with the cerebral hemisphere lesions at the same time. Alzheimer’s patients will experience memory loss and disorientation after the onset of dementia. At the onset of right cerebellar hemisphere infarction, patients mainly show symptoms such as dizziness, vomiting and unsteady walking. When the right cerebellar hemisphere infarction occurs, it is necessary to promptly carry out treatment under the guidance of a doctor. If the symptoms of dementia appear, it is also necessary to consult a doctor in time to clarify the diagnosis and treatment.