The present invention relates to the technical field of pharmaceutical compositions, and in particular to a pharmaceutical composition for treating Alzheimer's
disease and a preparation method thereof. Specifically, it is prepared from the following components by
mass: 0.4-0.8 parts of
butylphthalide, 0.3-0.7 parts of
donepezil hydrochloride, 22-26 parts of
ginkgo flavonoids, 30-40 parts of ginsenosides, 16-20 parts of
gastrodia elata extract, 13-17 parts of
codonopsis pilosula extract, 16-20 parts of raw dragon bone extract, 12-16 parts of
calamus tatarinowii extract, 11-15 parts of
astragalus extract, 10-16 parts of rhizoma anemarrhenae extract and 15-19 parts of trumpet creeper extract. The pharmaceutical composition provided by the present invention has an excellent effect in treating Alzheimer's
disease, can cure patients with early Alzheimer's
disease, can effectively alleviate their symptoms and prolong the life of patients with late Alzheimer's disease, and its
therapeutic effect is significantly better than that of existing drugs.