we observed the effects of the "Tiao Shen Yi Zhi" acupuncture method on the behavior changes of multi-infarct dementia(MID) model rats. The results show that MID rats manifest the disorder in learning and memory. The "Tiao Shen Yi Zhi" acupuncture method could obviously improve the ability of learning and memory of MID rats which was in prevention group. The effects of the acupuncture has point specificity.