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Gui Zhi (Cinnamon Twig, Cassia Twig)

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Warm Gui Zhi (Ramulus Cinnamomi Cassiae)
Spicy, Sweet, Warm
Ramulus Cinnamomi Cassiae
Tone Marks:
guì zhī


  • Adjusts the Ying and Wei Levels
    For Wind-Cold from deficiency when sweating does not relieve the condition.
  • Warms the Channels and Collaterals
    For Wind-Cold damp bi pain, arthritic complaints, especially in the shoulders. For cold obstructing the flow of Blood in dysmenorrhea and other gynecological conditions.
  • Unblocks the Yang Qi of the Chest
    For chest pain, palpitations, edema, dysuria, and abdominal fullness.
  • Promotes Blood Circulation
    For amenorrhea, dysmenorrhea, angina pectoris, and abdominal masses.

Contraindications and Cautions

  • Caution in patients with fever, heat from deficiency, heat in the blood, pregnancy, and heavy menstruation.

Herb-Drug Interactions

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

Toxicity and Overdose

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


  • 3-9 grams for externally contracted wind-cold.
  • 9-15 grams for Bi pain.
  • Part used: twig or ramulus.

This Herb Appears in the Following Formulas: