Ku Zhi Ding

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Source: Zhong Yi Wai Ke Xue

Last updated October 1, 2026

Not yet clinically reviewed

Description

Ku Zhi Ding (Hemorrhoid- Necrotizing Insertion), from TCM External Medicine (Zhong Yi Wai Ke Xue).

Actions: Break up masses and dissipate stasis, necrotize hemorrhoids, astringe, and resolve toxins. Indicated for the treatment of internal hemorrhoid (or in mixed hemorrhoid), accompanied by bloody stool, or pain, and hemorrhoid upon the dentate line; or for the treatment of anal fistula

Indications: It has rank poison, is only for external use, not for oral use. Its use is prohibited in patients with acute diseases, severe chronic diseases, acute inflammation of anus and rectum, diarrhea, dysentery, or bleeding constitution

Source: Xi S, Gong Y. Essentials of Chinese Materia Medica and Medical Formulas: New Century Traditional Chinese Medicine. Academic Press/Elsevier, 2017, pp. 861–873.

Composition

Herb Amount % Role Function
Pi Shuang
as printed: Arsenicum Sublimatum (pi shuang) 0.3 g
0.3g 13.64% —
Ming Fan
as printed: Alumen (ming fan) 0.6 g
0.6g 27.27% —
Zhu Sha
as printed: Cinnabaris (zhu sha) 0.3 g
0.3g 13.64% —
Xiong Huang
as printed: Realgar (xiong huang) 0.4 g
0.4g 18.18% —
Mo Yao
as printed: Myrrha (mo yao) 0.6 g
0.6g 27.27% —

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 slightly cool (-0.50)

From 100% of the weighed grams.

cold cool neutral warm

Grams by band: cold 27%, cool 14%, neutral 41%, warm 18%.

Taste

pungent sweet sour bitter
  • pungent 30%
  • sweet 14%
  • sour 34%
  • bitter 23%

From 100% of the weighed grams.

Channels reached

  • Liver 86%
  • Spleen 68%
  • Large intestine 46%
  • Lung 41%
  • Heart 41%
  • Stomach 18%

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 Guo Qi Yin →

Preparation

Mix evenly with glutinous rice flour 4 g, twist into iron nail-like lozenges, and insert it into hemorrhoids

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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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