Gui Zhi Tang

Cinnamon Twig Decoction

Harmonize Ying & Wei • Release Wind-Cold • Support Defensive Qi • Regulate Sweating

Gui Zhi Tang is one of the most important and foundational formulas in classical Chinese medicine. First recorded in the Shang Han Lun (Treatise on Cold Damage), it represents the archetype of harmonizing formulas—addressing disharmony between the body’s nutritive (Ying) and defensive (Wei) layers when an exterior pathogen has disrupted normal regulation.

Unlike stronger exterior-releasing formulas that focus on forcefully inducing sweating, Gui Zhi Tang gently adjusts the relationship between Ying and Wei, making it especially valuable for patients with a weaker constitution, spontaneous sweating, sensitivity to cold, and difficulty adapting to external environmental changes.

When patients present with chills, fever, aversion to wind, headache, nasal congestion, stiffness, and an absence of proper regulation between sweating and the exterior, Gui Zhi Tang is often considered the practitioner’s first choice.

Beyond acute illness, Gui Zhi Tang has become one of the most versatile formulas for supporting constitutional patterns involving weak Wei Qi, recurrent sensitivity to external influences, and disharmony between the body’s internal regulation systems.

Traditional Indications

• Wind-Cold exterior deficiency
• Fever and chills
• Aversion to wind
• Spontaneous sweating
• Headache
• Nasal congestion
• Mild body aches
• Neck stiffness
• Weak Wei Qi
• Sensitivity to cold
• Exterior disharmony with deficiency

TCM Pattern

Tai Yang Zhong Feng with Ying-Wei Disharmony

Gui Zhi Tang harmonizes Ying and Wei, releases the exterior, regulates sweating, adjusts circulation between the nutritive and defensive layers, and supports the body’s ability to respond appropriately to external pathogens.

Modern Clinical Applications

Many practitioners reach for Gui Zhi Tang when supporting patients experiencing:

• Early-stage colds with chills and mild fever
• Aversion to wind or temperature sensitivity
• Spontaneous sweating with weakness
• Recurrent exterior invasions in deficient patients
• Nasal congestion with Wind-Cold presentation
• Headaches associated with exterior disharmony
• Mild neck and shoulder tension during illness
• Patients who are sensitive to environmental changes
• Exterior symptoms in individuals with weaker constitutions

Its unique ability to release the exterior while gently supporting the body’s regulatory functions makes it one of the most clinically important formulas in the Shang Han Lun tradition.

Ingredients

Gui Zhi — 20%
Bai Shao — 20%
Sheng Jiang — 20%
Da Zao — 20%
Zhi Gan Cao — 20%

Based on classical ratios and standard modifications

Crafted using our signature Two-Cured Decoction™ process—combining a traditional hot water decoction with a secondary high-proof alcohol extraction—to capture both water-soluble and alcohol-soluble herbal constituents for a full-spectrum tincture.

Practitioner Favorites

Cold Phlegm with Weakness

60% Gui Zhi Tang + 40% Ling Gui Zhu Gan Tang

Excellent when exterior disharmony is accompanied by Cold phlegm, fluid metabolism weakness, dizziness, chest fullness, or a tendency toward internal Cold accumulation.

Cold with Wheezing & Chest Tightness

50% Gui Zhi Tang + 50% Ma Huang Tang

A favorite combination when Wind-Cold constrains the exterior with stronger respiratory symptoms, including wheezing, chest tightness, and difficulty releasing the pathogen.

Single Herb Pairings

For further customization, consider adding:

Ge Gen — when neck stiffness, shoulder tension, and Taiyang channel discomfort are prominent.

Fang Feng — when chills, aversion to wind, and exterior sensitivity are stronger.

Urban Herbs Practitioner Advantage

Every 16 oz amber bottle is designed for fast, customized dispensing in clinical practice. Blend Gui Zhi Tang with complementary formulas to create individualized prescriptions in minutes—giving your patients the convenience of a liquid tincture while providing your practice with a flexible, space-saving herbal pharmacy.

Double-extracted. Ready to dispense. Built for practitioners.

Why Practitioners Keep Gui Zhi Tang on the Shelf

Every practitioner eventually encounters the patient who says,

"I feel like I’m getting sick, but I’m not really sweating. I’m chilled, tired, and my body feels out of balance."

That patient often reflects the classic Gui Zhi Tang presentation.

Its ability to harmonize the body’s exterior regulation makes it unlike more aggressive sweating formulas. While many exterior formulas focus on expelling pathogens, Gui Zhi Tang focuses on restoring balance—helping the Ying and Wei layers communicate properly so the body can regulate its response.

Practitioners frequently reach for Gui Zhi Tang when treating:

• Early-stage Wind-Cold presentations
• Patients with weak constitutions
• Spontaneous sweating with chills
• Aversion to wind
• Recurrent exterior sensitivity
• Mild headaches and congestion
• Neck and shoulder stiffness during illness
• Patients who do not tolerate stronger exterior formulas

Because Urban Herbs tinctures are designed for blending, Gui Zhi Tang becomes even more versatile when combined with formulas that transform phlegm, strengthen deficiency patterns, or address stronger Cold presentations.

For many practitioners, it is one of the first bottles reached for when the body needs support in restoring harmony rather than simply forcing an exterior release.

One bottle. A timeless solution for harmonizing Ying and Wei and supporting the body’s natural defenses.

Practitioner Snapshot

Category

Exterior-Releasing & Harmonizing Formulas

Primary Actions

• Releases Wind-Cold
• Harmonizes Ying and Wei
• Regulates Sweating
• Supports Defensive Qi
• Adjusts Exterior Disharmony
• Relieves Mild Exterior Symptoms

Best For

• Early-stage colds
• Chills and fever
• Aversion to wind
• Spontaneous sweating
• Weak Wei Qi patterns
• Nasal congestion
• Mild headaches
• Exterior deficiency presentations

Pairs Well With

• Ma Huang Tang
• Ling Gui Zhu Gan Tang
• Ge Gen Tang
• Xiao Qing Long Tang
• Yu Ping Feng San

Clinical Personality

⭐⭐⭐⭐⭐ Ying & Wei Harmonizing
⭐⭐⭐⭐⭐ Exterior Regulation
⭐⭐⭐⭐☆ Wind-Cold Releasing
⭐⭐⭐⭐☆ Defensive Qi Supporting
⭐⭐⭐☆☆ Respiratory Support

Clinical Pearl

Gui Zhi Tang is the formula every practitioner associates with the phrase “harmonize Ying and Wei.” Its hallmark indication is an exterior Wind-Cold pattern in a patient whose defensive Qi is not strong enough to regulate the opening and closing of the pores properly, resulting in chills, fever, spontaneous sweating, and sensitivity to wind.

Its genius lies in balance. Rather than aggressively pushing the pathogen outward, Gui Zhi Tang restores communication between the body’s internal and external layers. This makes it one of the most enduring and clinically valuable formulas in the Shang Han Lun tradition—serving as the foundation for countless modifications throughout Chinese herbal medicine.