Due to large individual differences, there is no absolute best, fastest or most effective medication. In addition to commonly used over-the-counter medications, the most appropriate medication should be selected under the guidance of a physician with full integration of individual conditions. Improving cognitive function: acetylcholinesterase inhibitors (ACE): including donepezil, carbaplatin, stigmasterol, etc., which mainly increase the level of acetylcholine in the brain and enhance synaptic transmission; N-methyl-D-monoprotein (NMDA) receptor antagonists: memantine is able to antagonize NMDA receptors and has the effect of regulating glutamate activity, and is now used in the treatment of patients with moderate to severe Alzheimer’s disease; Brain metabolism enabling agents such as olanzapine are also sometimes used clinically. Control of psychiatric symptoms: Many patients develop psychiatric symptoms at a certain stage of the disease, such as hallucinations, delusions, depression, anxiety, agitation, sleep disturbances, etc. Antidepressants and antipsychotics can be given, the former commonly used as selective 5-HT reuptake inhibitors, such as fluoxetine, paroxetine, citalopram, sertraline, etc., and the latter commonly used as atypical antipsychotics, such as risperidone, oxytocin, quetiapine, etc.