Objective To observe the therapeutic effect of acupuncture plus blood-letting with three-edged needle for the acute stage of Bell's palsy of wind-heat syndrome in TCM.Methods The 100 patients were randomized into treatment and control groups with 50 in each,and treated with acupuncture plus blood-letting with three-edged needle and only acupuncture respectively.Four courses of treatment were given.The main symptoms,signs and clinical efficacy were observed at 1 week,2 weeks and 1 month after treatment.Results In both groups,the scores of symptoms and signs before and after treatment were remarkably different(P