Objective:To explore the effect of smell three-needle therapy on learning and memory ability and CaMKⅡ contents in hippocampus of rats with Alzheimer's disease(AD). Methods:50 adult male SD rats were randomly divided into 5 groups:normal control group,AD model group,AD model with severed olfactory nerve group,smell three-needle therapy group and control group for smell three-needle therapy. Each group had 10 rats. AD models and AD models with severed olfactory nerve were established. Morris maze tests were ...