In this research

we applied computer picture analysing system to measure the storeologidal test parameter of pyramidal cell in hippocampal CA1 and CA3 areas of multi-infarct dementia(MID) model rats. So we could quantize the-morphological changes in CA1 and CA3 areas. The result shows that the surface denslty and volume density of preventing group are obviously higher than those of model group. The number density of prevention group is obviously lower than that of model group and approaches that of false operation group. From the above

we conclude that treating eariler can prevent the injury of brain tissue. The volume density of acupuncture group is lower than that of prevention group. It shows that the volume of pyramidal cell of acupuncture group is lower than that of prevention group per unit volume.