Suan Zao Ren Tang
Classical TCM Formula Profile
Part of the HJMEDICAL TCM Discovery Center
酸枣仁汤 · Suān Zǎo Rén Tāng
A Jin Gui formula for deficiency irritability and insomnia from Liver Blood deficiency with empty heat, presenting with inability to sleep, night restlessness and a dry throat.
Read the complete guide →Quick Facts
- Formula Category
- Calm the Shen Formulas
- Primary Pattern
- Blood Deficiency
- Primary Function
- Nourish Blood, calm the spirit, clear heat
- Primary Therapeutic Principle
- Nourish Liver Blood, calm the Shen and clear deficiency heat
- Classical Source
- Jin Gui Yao Lue (Zhang Zhongjing, Eastern Han)
- Available as Granules
- Yes
Formula Overview
A Jin Gui formula for deficiency irritability and insomnia from Liver Blood deficiency with empty heat, presenting with inability to sleep, night restlessness and a dry throat.
Therapeutic Principle
Traditionally selected for deficiency restlessness and insomnia from Liver Blood lack with mild heat — nourishing and lightly clearing, rather than heavy Yin tonification or Qi-Blood dual tonification for the Heart-Spleen.
Composition: Sovereign, Minister, Assistant, Envoy
Every herb in the formula, grouped by the job it does in the classical hierarchy.
君SovereignTreats the main pattern
臣MinisterReinforces the sovereign
佐AssistantTreats accompanying patterns
知母Zhi Mu9g
Anemarrhena Rhizome- enriches yin and moistens dryness
- clears heat to relieve vexation
川芎Chuan Xiong6g
Chuanxiong Rhizome- rectifies liver blood and soothes liver qi
- supplements and activates blood when used in combination with suan zao ren
Classical Composition
- Ziziphi Spinosae Semen (Suan Zao Ren) 2 sheng (15g)
- Chuanxiong Rhizoma (Chuan Xiong) 2 liang (6g)
- Glycyrrhizae Radix et Rhizoma (Gan Cao) 1 liang (3g)
- Anemarrhenae Rhizoma (Zhi Mu) 2 liang (6g)
- Poria (Fu Ling) 2 liang (6g)
Dosages follow the classical source and are shown for study, not as a prescription.
Related Conditions
Related Health Topics
Actions
- Nourishes blood and calms the mind
- clears heat and relieves vexation.
Indications
- Suan Zao Ren Tang is indicated for deficiency of liver-blood with internal deficiency heat.
- The symptoms are vexation, insomnia, palpitations, restlessness, dizziness, dry throat, dry mouth, a red tongue, and a wiry, thin pulse.
Traditional Pathogenesis
Cause & mechanism
- This pattern is caused by excessive heart fire consuming yin-blood.
- Excessive fire of the heart disturbs the heart and spirit.
- Meanwhile, deficiency of yin-blood fails to nourish the heart and spirit manifesting insomnia, profuse dreaming, palpitations, and vexation.
Clinical presentation
- A red tongue and rapid, thin pulse are signs of excessive heart fire and deficiency of yin-blood.
Treatment strategy
- The therapeutic principle is to reduce excessive fire and supplement yin-blood to calm the mind.
How does this formula compare?
Clinical Perspective
Suan Zao Ren Tang nourishes Liver Blood and calms deficiency irritability. Tian Wang Bu Xin Dan strongly nourishes Heart Yin and Blood for severe insomnia. Gui Pi Tang tonifies Spleen Qi and Heart Blood for overthinking insomnia. Gan Mai Da Zao Tang softens and calms for visceral agitation (Zang Zao).
Clinical Differentiation
- Suan Zao Ren Tang serves as a common formula used in patterns of vexation and insomnia due to blood deficiency of the heart and liver.
- This clinical pattern is marked by vexation, insomnia, dry throat and mouth, red tongue, wiry, thin pulse.
Safety notes: This formula is not appropriate for insomnia from phlegm-heat or from food stagnation.
For educational reference only, based on traditional pattern differentiation — not a substitute for professional advice.
Frequently Asked Questions
What are the actions of Suan Zao Ren Tang?
Suan Zao Ren Tang has the actions of nourishing the Blood (especially Liver Blood), calming the Spirit, clearing deficiency Heat, and eliminating irritability. It is the classic Jin Gui Yao Lue formula for deficiency-type insomnia caused by Liver Blood deficiency with internal Heat disturbing the Spirit.
Which modern diseases is Suan Zao Ren Tang suited to?
Modern TCM clinical practice commonly applies it to individuals whose pattern differentiation falls within Liver Blood deficiency with deficiency Heat, including insomnia (especially difficulty falling or staying asleep with restlessness), anxiety or irritability of deficiency type, menopausal sleep disturbance with night sweats or dry mouth, neurasthenia, and Heart/Liver Blood deficiency patterns with mild palpitations.
Is Suan Zao Ren Tang suitable for improving restless insomnia with irritability, dry throat, and palpitations?
For presentations of deficiency vexation and inability to sleep, restlessness or irritability, palpitations, dry mouth and throat, possible dizziness or night sweats, a red tongue with little coating, and a thin wiry or thin rapid pulse — in those whose pattern differentiation confirms Liver Blood deficiency with internal deficiency Heat — TCM commonly applies Suan Zao Ren Tang as an adjunct. It cannot replace standard medical treatment.
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Medical Disclaimer
For general TCM education only — not medical advice. Consult a qualified TCM practitioner or licensed healthcare provider before use, especially if pregnant, nursing, on medication, or managing a chronic condition.