To explore the curative effect of Baiyunshan compound Danshen tablets on senile dementia.

Salvianolic acid B, one of the active components of Salvia Miltiorrhiza, can obviously improve the learning and memory ability of AD model dementia mice. So Danshen tablets can prevent Alzheimer's disease. Baiyunshan Compound Danshen Tablet has obtained the patent certificate for preventing and treating Alzheimer's Harmo's disease, but not many brands in the industry have patents. Baiyunshan Compound Danshen Tablet has a positive effect on Alzheimer's Harmo's disease.