Methods 180 patients with ED were divided into three groups randomly,including LRKC treatment group,indometacin control group and corydalis analgesic pill ( CAP) control group,60 cases in each group.

• 方法将180例原发性痛经患者随机分为3组,即独一味胶囊治疗组(独一味组)、消炎痛治疗对照组(消炎痛组)和元胡止痛片治疗对照组(元胡止痛片组),每组60例,观察镇痛效果。