There are many clinical drugs that can nourish brain cells. Currently, brain activator, also known as cerebroprotein hydrolysate tablets, and cytarabine, a brain protection drug, are commonly used to nourish brain cells. There are also clinical drugs that improve brain metabolism, such as olanzapine, piracetam, and aniracetam, which can also play a role in nourishing brain cells. At present, gangliosides also have some nutritional effect on brain cells, such as tetrahexose monosialate ganglioside, which also has a nutritional effect on brain cells. Some clinical drugs, such as calf blood deprotein extract, trichostatin brain protein, and cerebroside inositol, are also able to nourish brain cells. For some patients with Alzheimer’s disease, they can also apply lithotriptan and donepezil to nourish brain cells, promote brain metabolism, and restore the patient’s cognitive decline. Therefore, there are many clinical drugs to nourish brain cells, and it is recommended to apply them under the guidance of physicians.