Jia Jian Bu Zhong Yi Qi Tang
Star加减补中益气汤 (Modified Tonify the Middle to Augment the Qi Decoction)
Source: Pi Wei Lun (13th century)
Last updated October 1, 2026
Description
Jia Jian Bu Zhong Yi Qi Tang (Modified Tonify the Middle to Augment the Qi Decoction), from Discussion of the Spleen and Stomach (13th century).
Associated formula of Bu Zhong Yi Qi Tang.
Actions: Tonifies the qi; Raises the yang; Calms the fetus
Indications: Fatigue and lethargy, low back pain, abdominal distention, excessive or insufficient fetal movement, spotting, slippery pulse without strength
Pattern: Qi deficiency in constitutionally weak women in the 4th-5th month of pregnancy
Usage: For restless fetus with spotting in weak women in mid-pregnancy.
Category: Formulas that Tonify the Qi.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 322.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Huang Qi
as printed: Astragali Radix (huang qi) 9g
|
9g | 17.65% | — | |
|
Ren Shen
as printed: Ginseng Radix (ren shen) 9g
|
9g | 17.65% | — | |
|
Bai Zhu
as printed: Atractylodis macrocephalae Rhizoma (bai zhu) 6g
|
6g | 11.76% | — | |
|
Gan Cao
as printed: Glycyrrhizae Radix preparata (zhi gan cao) 3g
|
3g | 5.88% | — | |
|
Chen Pi
as printed: Citri reticulatae Pericarpium (chen pi) 6g
|
6g | 11.76% | — | |
|
Sheng Ma
as printed: Cimicifugae Rhizoma (sheng ma) 3g
|
3g | 5.88% | — | |
|
Chai Hu
as printed: Bupleuri Radix (chai hu) 3g
|
3g | 5.88% | — | |
|
E Jiao
dissolve in strained decoction; as printed: Asini Corii Colla (e jiao) [dissolve in strained decoction] 6g
|
6g | 11.76% | — | |
|
Ai Ye
as printed: Artemisiae argyi Folium (ai ye) 6g
|
6g | 11.76% | — |
Energetics dose-weighted
The formula's overall nature, taste balance and channel reach, weighted by each herb's dose. Classical formulas often pair warm and cool herbs on purpose, so a net figure summarises the mix — it doesn't describe every herb in it.
Nature
Net slightly warm (+0.59)
From 100% of the weighed grams.
Grams by band: cool 12%, neutral 18%, warm 71%.
Taste
- pungent 18%
- sweet 53%
- bitter 29%
From 100% of the weighed grams.
Channels reached
- Lung 82%
- Spleen 82%
- Kidney 41%
- Liver 29%
- Stomach 24%
- Heart 24%
Share of the grams entering each channel, from 100% of the weighed grams.
Dose-weighted from each herb's recorded nature, taste and channels (missing values are left out, never counted as neutral). It describes the composition — it is not a recommendation.
Preparation
Codonopsis Radix (dang shen) is now usually substituted for ren shen at 2-3 times its dose.
Relationships
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Formula family
Each entry reads as the larger formula written out: “+” adds its other catalogue cores, then the herbs none of them hold. A catalogue formula counts as a core only when at least 80% of its herbs are present, no more than 1 is absent, and the absent herb is not its chief.
Formula Network
Formulas that share herbs with this one — the closer to the centre, the stronger the match. Click a node to explore.
Similar Formulas by composition
Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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