Commonly used drugs for brain atrophy in the elderly include the following: 1, drugs to improve the patient’s brain metabolism, including olanzapine capsules, cytarabine sodium tablets, cerebral protein hydrolysate tablets, fennel racetam tablets, piracetam tablets. 2, to improve the blood supply to the brain, to prevent atherosclerosis, clinically, you can use ginkgo biloba leaf extract tablets, hematoxyline tablets, vermifuge snakes through the capsule, the compound dillon capsules, ginkgo ketone ester drops and other drugs, to improve the blood supply to the brain, to restore blood flow to brain tissue, brain cells can slow down the progress of brain atrophy. The drugs can improve the blood supply to the brain and restore the blood flow to the brain tissue and brain cells, which can slow down the progress of cerebral atrophy.3. If the patients’ cerebral atrophy manifests itself in dementia, they should be given drugs such as donepezil hydrochloride, memantine, and strychnine, which can improve the cognitive function of the patients and slow down the progress of the disease.