An Shen Ding Zhi Wan

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安神定志丸 (Calm the Spirit and Settle the Will Pill)

Source: Yi Xue Xin Wu (Medical Revelations) — Cheng Guopeng (Qing, 1732)

Last updated August 30, 2026

Not yet clinically reviewed

Insomnia from fright and anxietyPalpitations from Heart Qi deficiencyEasily startledAnxiety and fearfulnessPhlegm disturbing the HeartGallbladder Qi deficiency

Description

An Shen Ding Zhi Wan (Calm the Spirit and Settle the Will Pill) treats Heart Qi and Blood deficiency with phlegm disturbing the Heart. The formula combines Heart tonics with Qi-transforming, phlegm-clearing herbs to calm the spirit and anchor the will. It is particularly indicated for fright, anxiety, and palpitations from Gallbladder Qi deficiency.

Composition

Herb Amount % Role Function
Ren Shen 9g 16.67% Jun (Chief) Strongly tonifies Heart qi and calms the spirit
Long Chi
Decoct first (crush).
15g 27.78% Chen (Deputy) Heavy mineral that settles and calms the spirit
Fu Ling 9g 16.67% Chen (Deputy) Strengthens the Spleen and quiets the Heart
Fu Shen 9g 16.67% Chen (Deputy) Quiets the Heart and calms the spirit
Yuan Zhi 6g 11.11% Zuo (Assistant) Opens the Heart orifices and calms the spirit
Shi Chang Pu 6g 11.11% Zuo (Assistant) Opens the orifices and transforms turbidity

Total weight: 60g

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

Cold Cool Neutral Warm Hot

Net neutral (+0.11)

From 100% of the weighed grams.

cool neutral warm

Grams by band: cool 28%, neutral 33%, warm 39%.

Pairs warm and cool. 39% of the weighed grams are warm or hot and 28% cool or cold — the net is their average, not the whole story.

Taste

pungent sweet bitter bland
  • pungent 11%
  • sweet 53%
  • bitter 19%
  • bland 17%

From 100% of the weighed grams.

Channels reached

  • Heart 100%
  • Spleen 50%
  • Lung 44%
  • Kidney 44%
  • Liver 28%
  • Stomach 11%

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.

Compare side by side with Si Jun Zi Tang →

Preparation

As pills or decoction. Decoct 25–30 minutes, take warm in 2 doses/day.

Dosage

Pills: 6–9g twice daily. Decoction: 1 dose/day.

Conditions Addressed

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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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