Here are some drugs and related information that may help improve memory and attention, but please be sure to use them under the guidance of a doctor: ### Cholinesterase inhibitors - **Donepezil** - **Indications**: Used for the treatment of mild to moderate Alzheimer's disease symptoms, which helps improve cognitive function, including memory. - **Dosage**: Oral, initial dose 5 mg (1 tablet) once a day, taken before bedtime; and maintain the initial dose for at least 1 month before increasing the dose to 10 mg (2 tablets) once a day based on the therapeutic effect. - **Rivastigmine** - **Indications**: Used for the symptomatic treatment of mild to moderate Alzheimer's dementia, which can improve cognitive and memory function. - **Dosage**: The starting dose is 1.5 mg once, twice a day; if tolerated, the dose can be increased to 3 mg once, twice a day after 2 weeks. Take 1 hour before breakfast and dinner. The maximum recommended dose is 6 mg once, twice a day. ### Other drugs - **Citicoline sodium** - **Applicable conditions**: Used to treat sequelae of the nervous system caused by craniocerebral injury and cerebrovascular accident, and it is helpful to improve memory. - **Dosage and administration**: Intravenous drip: 0.25-0.5g (1-2 vials) per day, diluted with 5% or 10% glucose injection and slowly dripped, every 5-10 days as a course of treatment; simple intravenous injection: 0.25g (1 vial) per day. Intramuscular injection: 0.1-0.3g (0.4-1.2 vials) per day, divided into 1-2 injections. - **Piracetam** - **Applicable conditions**: Applicable to memory loss and mild and moderate brain dysfunction caused by various reasons such as acute and chronic cerebrovascular disease, brain trauma, various toxic encephalopathy, etc. It can also be used for children with intellectual development retardation. - **Dosage and administration**: Oral: 0.8-1.6g (2-4 tablets) each time, 3 times a day, 4-8 weeks as a course of treatment. The dosage for children is halved. There are many risks in using drugs to improve memory and attention at will, such as adverse reactions, drug interactions, etc. If there is a relevant need, it is recommended to see a doctor first, conduct a comprehensive assessment, and determine whether there are underlying diseases that cause memory and attention problems, and then use the drugs reasonably under the professional guidance of a doctor.