清热解毒;调经止血;收敛固脱。主湿热黄疸;下痢脓血;疮痈肿毒;毒蛇咬伤;月经不调;崩漏;子宫脱垂;脱肛
内服:煎汤,6-9g。外用:适量,捣敷。
根茎含2,4-双(4-羟基苄基)苯酚[2,4-bis(4-hydroxybenzyl)phenol],(S)-左旋-2-异丙基苹果酸双[4-(β-D-吡喃葡萄糖氧基)苄基]酯{bis[4-(β-D-glucopyranosyloxy)benzyl](S)-(-)-isopropylmalate},(S)-左旋仲丁基苹果酸双[4-(β-D-吡喃葡萄糖氧基)苄基]酯{bis[4-(β-D-glucopyranosyloxy)benzyl](S)-(-)2-sec-butylmalate},4-羟基苯甲醛(4-hydroxybenzaldehyde),4,4'-二羟基二苯基甲烷(4,4'-dihydroxydiphenylmechane),4-羟基苯甲醇(4-hydroxybenzyl alcohol),4-(β-D-吡喃葡萄糖氧基)苄醇[4-(β-D-glucopyranosyloxy)benzyl alcohol]。