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Xi Jiao (Rhinoceros Horn)

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Cold Xi Jiao (Cornu Rhinoceri)
Shui Niu Jiao (water buffalo) Shown
Bitter, Salty, Cold
Cornu Rhinoceri
Tone Marks:
xī jiăo


  • Relieves Pathogenic Heat in the Blood and Stops Bleeding
    For extreme heat, very high fever, and reckless movement of hot Blood. Stops convulsions, delirium, epistaxis, and vomiting Blood.
  • Sedates Convulsions
    For tremors from heat entering the Ying or Blood levels, with loss of consciousness, tremor, or delirium.
  • Purges Fire and Reduces Toxins
    For erythema, purpura, erysipelas, and maculation.

Contraindications and Cautions

  • Contraindicated during pregnancy, or for heat from blood deficiency. Only use for excess conditions, caution in cases of qi deficiency causing rash or lack of heat. Do not use with Radix Aconiti Carmichaeli (chuan wu), Sclerotium Omphaliae Lapidescens (lei wan), or Radix Aconiti Kusnezoffii (zhi cao wu).

Herb-Drug Interactions

  • This section is being researched, and is not completed.

Toxicity and Overdose

  • This section is being researched, and is not completed.


  • 1-2 grams as powder. Can be ground into liquid. Very rarely used in decoctions, however, up to 6 grams can be taken in this form.


  • Xi Jiao is an endangered species. Cornu Bubali (Shui Niu Jiao) can be used in its place.

This Herb Appears in the Following Formulas:

This herb antagonizes or is antagonized by:

Go to the Endangered/Toxic List This herb is considered endangered, toxic, or is illegal in the United States