Objective To investigate the effect of huperzine on cognitive function in schizophrenics.Methods A total of 76 patients with schizophrenia were randomly divided into huperzine group and control group.Before and after eight-week treatment,the effects on cognitive function were measured with Wais-Rc,WMS,WCST and TESS and were compared between two groups.Results After eight weeks,the significant difference be- tween huperzine group and control group was found in improving cognitive function in schizophrenia pa...