Drugs to enhance memory are commonly used as intellectual stimulants, brain metabolism improvement drugs, cell metabolism improvement drugs, psychiatric symptom improvement drugs, calcium channel blockers, peripheral vasodilators and so on. 1. Intellectual stimulants: such as olaxetan can improve brain cell metabolism, which is conducive to improving memory. It is forbidden for those who are allergic to this product and those with severe renal impairment. 2. Brain metabolism improvement drugs: such as piracetam, on the lack of oxygen caused by retrograde amnesia, as well as vascular disease caused by memory loss have more clear efficacy. Liver and renal insufficiency should be used with caution and the dosage should be reduced appropriately. 3. Cell metabolism improvement drugs: such as cytarabine has a certain effect on promoting the recovery of brain function and improving brain circulation. It should be used with caution in patients with epilepsy and hypotension. 4. Improvement of mental symptoms: Idebenone is commonly used to improve memory loss caused by chronic cerebrovascular disease and traumatic brain injury. For long-term use, liver function should be monitored. 5. Calcium channel blockers: Nimodipine can be used to treat memory loss caused by senile brain dysfunction. It should be used with caution in patients with cerebral edema and increased intracranial pressure. 6. Peripheral vasodilators: Nimergoline can improve the memory impairment caused by the sequelae of cerebral infarction. Acute stage of myocardial infarction, erectile dysfunction, bleeding tendency is prohibited. The above drugs only have partial auxiliary effect, the use of must follow the doctor’s instructions, not blindly use their own medication, in order to avoid causing adverse consequences.