The invention provides a composition containing a
phosphodiesterase 5 inhibitor (PDE5 inhibitor) and an acetylcholin
esterase inhibitor (AChEI) for preventing or treating neurodegenerative diseases and a use method of the composition. Wherein the PDE5 inhibitor is selected from the group consisting of mironafil,
sildenafil,
vardenafil,
tadalafil, udenafil, dabigatafil,
avanafil, and pharmaceutically acceptable salts, solvates, hydrates and mixtures thereof; and the AchEI is selected from the group consisting of
donepezil,
rivastigmine, galanthamine, poison
hyacinth alkali,
tacrine, metriofonate, phenylserine, tolserine,
eosin,
huperzine A and huperzine B,
galangin, anacardol, donepezine-AP2238,
donepezil-
tacrine,
tacrine-
ferulic acid hybrids, tacrine-hydroxyquinoline, ladotegil, an indenyl derivative thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable salt thereof. Pharmaceutically acceptable salts, solvates, hydrates, and mixtures; and the neurodegenerative
disease is
dementia, Parkinson's
Disease (PD), Alzheimer's
Disease (AD), Huntington's
Disease (HD), or
Multiple Sclerosis (MS).