1.《本经》:主安五脏,和心志,令人欢乐无忧。2.《本草拾遗》:杀虫。3.《日华子本草》:煎膏,消痈肿,并续筋骨。4.《本草纲目》:和血,消肿,止痛。5.《分类草药性》:消瘰疬。6.《动植物民间药》:治咳嗽。7.南川《常用中草药手册》:治心气躁急、失眠及筋挛。8.《本草衍义补遗》:合欢,补阴有捷功,长肌肉,续筋骨,概可见矣,而外科家未曾录用何也?9.《本草汇言》:合欢皮,甘温平补,有开达五神,消除五志之妙应也。……味甘气平,主和缓心气,心气和缓,则神明自畅而欢乐无忧。如俗语云,萱草忘忧,合欢蠲忿,正二药之谓欤。又大氏方,主消痈疽、续筋骨者,皆取其能补心脾,生血脉之功耳。朱丹溪曰,合欢与白蜡同入膏药中用极效。10.《本草求真》:合欢,气缓力微,用之非止钱许可以奏效,故必重用久服,方有补益怡悦心志之效矣,若使急病而求治即欢悦,其能之乎?化学成分合欢干皮中含木脂体糖甙:左旋-丁香树脂酚-4-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[syringaresinol-4-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside],左旋-丁香树脂酚-4-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖基-4ˊ-O-β-D-吡喃葡萄糖甙[syringaresinol-4-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranosyl-4ˊ-O-β-D-glucopyranoside],左旋-丁香树脂酚-4,4ˊ-双-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[syringaresinol-4,4ˊ-bis-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside],左旋-丁香树脂酚-4-O-β-D-吡喃葡萄糖甙(syringaresinol-4-O-β-D-glucopyranoside),左旋-丁香树脂酚-4,4ˊ-双-O-β-D-吡喃葡萄糖甙(syringaresinol-4,4ˊ-bis-O-β-D-glucopyranoside),还含有丁香酸甲酯-4-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[syringic acid methyl ester-4-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside],秃毛冬青甲素-4-O-β-D-吡喃葡萄糖甙(glaberide-I-4-O-β-D-glucopyranoside),秃毛冬青甲素-4-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[glaberide I-4-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside],右旋-5,5ˊ-二甲氧基落叶松脂醇-4-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[5,5ˊ-dimethoxylariciresinol-4-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside]和5,5ˊ-二甲氧基-7-氧代落叶松脂醇-4ˊ-O-β-D-呋喃芹菜糖基-(1→2)-β-D-吡喃葡萄糖甙[5,5ˊ-dimethoxy-7-oxolariciresinol-4ˊ-O-β-D-apiofuranosyl-(1→2)-β-D-glucopyranoside]。此外,,干皮中还含21-[4-(亚乙基)-2-四氢呋喃异丁烯酰]剑叶莎酸{21-[4-(ethylidene)-2-tetrahydrofuranmethacryloyl]machaerinic acid},剑叶莎酸甲酯(machaerinic acid methyl ester),金合欢酸内酯(acacic acid lactone),剑叶莎酸内酯(machaerinic acid lactone),金合欢皂甙元(acacigenin)B,7,3ˊ,4ˊ-三羟基黄酮(7,3ˊ,4ˊ-trihydroxyflavone),a-菠菜甾醇葡萄糖甙(a-spinasteryl glucoside)及合欢三萜内酯甲(julibrotriterpenoidal lactone A)。