Yu Nao Shi San

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Source: Zhong Yi Er Bi Hou Ke Xue

Last updated October 1, 2026

Not yet clinically reviewed

Description

Yu Nao Shi San (Yellow Croaker’s Auricular Bones Powder), from TCM Otorhinolaryngology (Zhong Yi Er Bi Hou Ke Xue).

Actions: Diffuse and unblock the nasal orifices

Indications: Indicated for the treatment of stuffy nose, with alternating nasal obstruction, or mild or severe nasal obstruction, clear nasal discharge, aggravated by wind-cold, aversion to wind-cold, pale tongue with thin and white coating, and floating pulse

Category: Formulas that Release the Exterior with Acrid-warm Medicinals.

Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 427–429.

Composition

Herb Amount % Role Function
Yu Nao Shi
dose printed as powder 9 g; as printed: Otolthum Pseudosciaenae Croceae (yu nao shi) powder 9 g
g — —
Bing Pian
as printed: Borneolum Syntheticum (bing pian) 0.9 g
0.9g 9.09% —
Xin Yi (Hua)
as printed: Flos Magnoliae (xin yi) 6 g
6g 60.61% —
Xi Xin
as printed: Radix et Rhizoma Asari (xi xin) 3 g
3g 30.3% —

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 warm (+0.82)

From 100% of the weighed grams.

cool warm

Grams by band: cool 9%, warm 91%.

Taste

pungent bitter
  • pungent 96%
  • bitter 5%

From 100% of the weighed grams.

Channels reached

  • Lung 100%
  • Stomach 61%
  • Heart 39%
  • Kidney 30%
  • Spleen 9%

Share of the grams entering each channel, from 100% of the weighed grams.

1 herb without a dose in grams, so left out of every figure above: Yu Nao Shi.

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 Liu Shen San →

Preparation

Grind the ingredients into fine powder; blow the nose with 1.5 g each time, several times a day

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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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