金匱腎氣丸 vs. 八味地黃丸比較

English version below

✅ 1. 原始出處

• 出典：《金匱要略》（東漢張仲景）

• 原名：腎氣丸

• 原方使用：桂枝 + 附子
  （非肉桂）

✅ 2. 原文用藥（共八味）

類別藥材功效補陰三寶熟地黃、山茱萸、山藥滋補肝腎脾瀉濁三藥澤瀉、牡丹皮、茯苓清濕熱、健脾滲濕補陽二藥桂枝（非肉桂）、附子溫通陽氣、行水

✅ 3. 後世演變

時期變化原因明代以後改用 肉桂 取代桂枝肉桂補命門火力較強台灣版本多稱「八味地黃丸」使用肉桂臨床偏重溫補效果中國／美國多稱「金匱腎氣丸」保留桂枝講究經方原貌

✅ 4. 桂枝 vs. 肉桂比較

藥材來源部位性味功效關鍵詞桂枝嫩枝辛甘溫發表、調營衛、通陽肉桂樹皮辛甘大熱補火助陽、引火歸元

✅ 5. 臨床選用建議

症狀 / 體質建議版本畏寒明顯、夜尿多、命門火衰選肉桂版（八味地黃丸）輕度虛寒、需調理氣血流通選桂枝版（金匱腎氣丸）

✅ 1. Original Source

Source: Jin Gui Yao Lue (by Zhang Zhongjing, Eastern Han Dynasty)
Original Name: Shen Qi Wan (Kidney Qi Pill)
Original Formula: Gui Zhi (Cinnamon Twig) + Fu Zi (Aconite)
(Not Rou Gui – Cinnamon Bark)

✅ 2. Original Ingredients (Total: 8 herbs)

CategoryHerbsFunctionsYin TonicsShu Di Huang, Shan Zhu Yu, Shan YaoNourish liver, kidney, spleenDamp-ClearingZe Xie, Mu Dan Pi, Fu LingClear damp-heat, strengthen the spleenYang TonicsGui Zhi (not Rou Gui), Fu ZiWarm Yang, promote water metabolism

✅ 3. Later Developments

EraChangeReasonAfter Ming DynastyRou Gui replaced Gui ZhiRou Gui has stronger effect on Kidney fireTaiwan VersionOften called "Ba Wei Di Huang Wan", uses Rou GuiEmphasizes warming and Yang-tonifying effectsChina / USARetains the name "Jin Gui Shen Qi Wan", uses Gui ZhiStays faithful to the classical formula

✅ 4. Comparison: Gui Zhi vs. Rou Gui

HerbPlant Part UsedNature / FlavorKey FunctionsGui ZhiTender twigPungent, sweet, warmDisperse cold, harmonize Ying & Wei, warm channelsRou GuiInner barkPungent, sweet, very hotTonify fire, strengthen Kidney Yang, guide fire downward

✅ 5. Clinical Use Suggestions

Symptoms / ConstitutionRecommended VersionObvious cold signs, frequent night urination, weak Kidney fireUse Rou Gui version (Ba Wei Di Huang Wan)Mild deficiency cold, needs harmonizing circulationUse Gui Zhi version (Jin Gui Shen Qi Wan)

Created with the help of ChatGPT 6/24/2025