The invention discloses a kind of medicine for preventing and curing cerebrovascular dementia. The materials are: ginseng 3-9g, pseudo-ginseng 3-9g, the fruit of Chinese magnoliavine 3-9g, cornus 6-15g, boiled glutinous rehmannia 10-30g, polygonum ultiforun 10-20g, aweto 5-10g fried gutta-percha 10-15g, pilose deer horn 1-3g, leech 1.5-3g, stone calamus 5-10g, polygala root 3-10g, salvia miltiorrhiza 3-15g, tortoise plastron 10-30g. The invention uses the speciality of the Chinese traditional medicine to enhance the oxygen absorbing ability under ordinary pressure and improve the micro-circulation of meninges, enhance the imminity and memory. It not only can cure the cerebrovascular dementia effectively, but also can prevent the disease.