味苦涼．入手足陽(yáng)明足厥陰經(jīng)．功專治腸風(fēng)腸熱．得郁金治小便血．得荊芥穗治大便血．得山梔治酒毒下血．得條芩治血崩．得牡蠣治赤白帶．舌上無故出血．名舌衄．炒槐花為末摻之效．含蕊而陳者良．微炒用．忌同槐實(shí)．槐枝洗瘡痔核并陰囊濕癢良．燒灰揩牙去蟲．