Ban Xia Xie Xin Tang

半夏泻心汤bàn xià xiè xīn tāng

In traditional TCM context, Ban Xia Xie Xin Tang (半夏泻心汤) is a classic herbal formula. It is traditionally used to harmonizes the Stomach, descends rebellious Qi, dissipates Pi masses. Treats epigastric fullness, nausea, borborygmus, and diarrhea from Cold-Heat complex in the Middle Jiao.

Traditional TCM ContextClassic FormulaSafety info limited

At a Glance

Traditional TCM Context

Classic formula · 7 ingredients

Harmonizes the Stomach, descends rebellious Qi, dissipates Pi masses. Treats epigastric fullness, nausea, borborygmus, and diarrhea from Cold-Heat complex in the Middle Jiao.

Spleen Qi Deficiency with DampnessDamp-Heat in the IntestinesSpleen-Stomach Deficiency Cold

Direct Modern Evidence

1 exact formula paper

Exact formula human clinical studies0
Exact formula systematic reviews1

Safety Notes

Formula-specific safety information is limited

Formula-specific safety information is limited. Consult a qualified professional before use.

Traditional TCM Perspective

Traditional Formula Role

A classic Zhang Zhongjing formula from Shang Han Lun for treating Pi Syndrome (epigastric fullness) due to mixed Cold and Heat patterns. Harmonizes the Stomach, descends rebellious Qi, and dissipates masses.

Core TCM Functions

Harmonizes the Stomach, descends rebellious Qi, dissipates Pi masses. Treats epigastric fullness, nausea, borborygmus, and diarrhea from Cold-Heat complex in the Middle Jiao.

What Current Research Does—and Does Not—Show

A systematic review and meta-analysis in the current TCMIO reference set examined Banxia-xiexin tang for functional dyspepsia, reporting on pooled outcomes from multiple studies. The review analyzed total efficacy rates and symptom improvement data.

Research is classified by how closely it matches this formula. Only studies that explicitly name and evaluate the exact formula composition are presented as direct evidence. Variant formulas, family-related formulas, and single-ingredient studies are shown separately.

Safety & Boundaries

Formula-Specific Safety Notes

Formula-specific safety information is limited. Consult a qualified professional before use.

General Safety Boundary

  • TCMIO provides educational information only — not medical advice, diagnosis, or treatment recommendations.
  • Formula-level safety profiles may differ from individual herb profiles. Consult a qualified TCM practitioner for individualized guidance.
  • For herb-specific safety information, see the individual herb profiles: Huang Lian, Ban Xia, Gan Jiang, Sheng Jiang and others.

Formula Composition

The following herbs compose Ban Xia Xie Xin Tang according to traditional formula structure. Roles are labeled in Traditional Formula Context.

Click any herb to view its full detail page.

Huang Lian

黄连

Coptis chinensis

ChiefTraditional Formula Context

Clears Heat, dries Dampness, drains Fire, resolves toxicity. Key herb for Damp-Heat in the Intestines.

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Ban Xia

半夏

Pinellia ternata

ChiefTraditional Formula Context

Dries Dampness, transforms Phlegm, directs rebellious Qi downward, stops vomiting, dissipates nodules. Core herb in Ban Xia Xie Xin Tang.

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Gan Jiang

干姜

Zingiberis Rhizoma

ChiefTraditional Formula Context

Warms the Middle Jiao, dispels Cold, restores Devastated Yang. Used for Spleen-Stomach Deficiency Cold.

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Sheng Jiang

生姜

Zingiberis Rhizoma Recens

AdjuvantTraditional Formula Context

In Traditional Chinese Medicine, Sheng Jiang is classified as a warm, pungent herb that Releases the Exterior, disperses Cold, warms the Middle Jiao, stops vomiting, and resolves Phlegm. These functions are described within the framework of TCM pattern differentiation and reflect traditional clinical categorization, not modern pharmacological mechanisms.

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Gan Cao

甘草

Glycyrrhiza uralensis

AdjuvantTraditional Formula Context

Tonifies Spleen Qi, clears heat, detoxifies, moderates other herbs

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Dang Shen

党参

Codonopsis pilosula

AdjuvantTraditional Formula Context

Tonifies Middle Jiao Qi, strengthens the Spleen, nourishes Blood, generates Fluids. Gentler substitute for Ren Shen.

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Sha Ren

砂仁

Amomum villosum

AdjuvantTraditional Formula Context

Transforms Dampness, promotes Qi circulation, warms the Spleen, stops diarrhea, calms the fetus.

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Traditional Formula Context: Ingredient roles (Chief/Deputy/Assistant/Envoy) reflect traditional TCM formulary theory. These classifications are educational and do not constitute modern pharmacological ranking.

Sources(2)

  1. 1.

    Kim KJ, Ko SJ, Cho SH, Kim J, Park JW. Herbal medicine, Banxia-xiexin tang, for functional dyspepsia: a systematic review and meta-analysis. Frontiers in Pharmacology. 2023.

    Bibliographic details

    Reliability: High

    Source type: Systematic Review

  2. 2.

    Zhang Zhongjing. Zhang ZJ. Shang Han Lun (Treatise on Cold Damage). ~200 CE.. 200.

    Bibliographic details

    Reliability: classic

    Source type: classical_text

Last reviewed: July 2, 2026

Medical Disclaimer: The information on TCMIO is provided for educational purposes only. It is not intended as medical advice, diagnosis, or treatment.

Always consult a qualified healthcare professional before using any herbal products, starting any new treatment, or making changes to your existing healthcare regimen. Do not stop or modify any prescribed treatment without consulting your healthcare provider.

If you are experiencing severe or urgent symptoms, seek immediate medical attention by calling emergency services or visiting the nearest emergency department.