Gan Cao (Licorice Root) TCM Herb Guide

Buy Gan Cao (Licorice Root) here →

Gan Cao (Glycyrrhiza uralensis), commonly known as Licorice Root, is one of the most widely used and versatile Qi-tonifying herbs in Traditional Chinese Medicine (TCM). For centuries, it has been valued for its ability to tonify Qi, harmonize herbal formulas, and moderate the effects of other herbs.

In classical Chinese herbal medicine, Gan Cao is frequently included in formulas designed to support digestion, soothe the system, and create balance between stronger herbs.

Because of its ability to both support Qi and harmonize formulas, Gan Cao is considered an essential herb in a wide range of traditional prescriptions.

TCM Classification

Category: Tonifying Herbs (Qi Tonics)
Flavor: Sweet
Temperature: Neutral (raw) to Warm (prepared)

Channels Entered

  • Heart
  • Lung
  • Spleen
  • Stomach

Traditional Actions of Gan Cao

In Traditional Chinese Medicine, Gan Cao is traditionally used to:

  • Tonify Qi
  • Harmonize herbal formulas
  • Moderate spasms and discomfort
  • Support the spleen and stomach
  • Clear heat (in certain preparations)

Because of these actions, Gan Cao is commonly included in formulas addressing Qi deficiency, digestive imbalance, and the need to harmonize multiple herbs.

Botanical Information

Botanical Name: Glycyrrhiza uralensis (also related species used)
Family: Fabaceae (Legume family)

Gan Cao is derived from the root of the licorice plant, native to China and other parts of Asia.

The root is harvested, dried, and often used either raw or prepared (honey-fried), depending on the desired effect.

Gan Cao has been used in Chinese herbal medicine for thousands of years and remains one of the most commonly used herbs in TCM.

Historical Use in Chinese Medicine

Gan Cao has been recorded in Chinese medical texts for over two thousand years and appears in a vast number of classical formulas.

Historically, it has been valued for its ability to harmonize formulas, support Qi, and moderate the effects of stronger herbs, making it one of the most essential herbs in traditional Chinese medicine.

Herbs Often Used With Gan Cao

Gan Cao is frequently combined with other herbs to enhance its ability to tonify Qi and harmonize formulas.

Common companion herbs include:

  • Ren Shen (Ginseng Root) – strongly tonifies Qi and supports overall vitality
  • Bai Zhu (Atractylodes Rhizome) – strengthens the spleen and supports digestion
  • Huang Qi (Astragalus Root) – tonifies Qi and supports defensive Qi
  • Hong Zao (Jujube Date) – nourishes Qi and harmonizes the middle

These herbs are often combined in classical formulas to tonify Qi, support digestion, and create balanced, harmonious formulas.

Gan Cao in Traditional Herbal Formulas

In Traditional Chinese Medicine, Gan Cao is rarely used alone and is instead included in multi-herb formulas.

It plays an important role in formulas designed to:

  • Tonify Qi and support digestion
  • Harmonize and balance herbal combinations
  • Moderate the effects of stronger herbs

This makes Gan Cao especially valuable for practitioners creating custom herbal formulas.

Important Disclaimer

The information provided on this page reflects traditional herbal knowledge and historical use within Chinese medicine and is intended for educational purposes only.

Plum Dragon Herbs products are raw botanical materials and are not intended to diagnose, treat, cure, or prevent any disease.

Statements on this website have not been evaluated by the Food and Drug Administration (FDA).

Always consult a qualified healthcare professional before using herbal products, particularly if you are pregnant, nursing, taking medications, or have a medical condition.

Featured collection

Featured products