The anxiolytic effect of huanglianejiao (HLEJ) decoction in mice preliminarily investigated by means of behavioral methods for the first time. The side-effect was also investigated in the work. The results shows that the HLEJ decoction at the doses 5.0g kg-1 prolonged the duration of immobility of the mice in the tail suspension test ,the spontaneous motor activity and reduce the ratio attact behavior in the stimulated by electric shock test significantly. It changed the roto-rod performance but the result ...