Objective To observe the memory ability and the behavior activities of ageing model rats induced by D-galactose and the interventional effect of traditional Chinese medicine.Methods The ageing model rats were injected with 5% D-galactose subcutaneously at a dose of 100 mg /kg everyday and lasted for 7 weeks.During the experiment,locomotor activity was tested.Morris water maze was used to test inquiry and search memory,shuttle box was employed to measure the avoidance ability and open-field test was also ado...