Background : Bee pollen is believed to be important sources of new chemical substances with potential Therapeutic efficacy.The aim of this studay was rol of bee pollen on the cognitive function of mice. Material and methods: Bee pollen hydro-alcoholic extract (200, 400, 800, 1600mg/kg ,po) normalsalin (10ml/kg,po) were adminestred for30days.passive avoidance method was used for the assessment of cognitive function in animal. The results indicated a significant improvement in the cognitive function with dose of 800mg/kg.
