味甘．入足厥陰少陰經(jīng)．功專(zhuān)補(bǔ)精血．得杜仲、萆 治腎虛腰痛．得青鹽、川椒治肝虛目暗．葉名天精草．苦甘而涼．清上焦心肺客熱．代茶止消渴．子酒潤(rùn)搗用．得熟地良．便滑者宜避．