Cang Zhu (Atractylodes Rhizome)

Cang Zhu (Atractylodes lancea), commonly known as Atractylodes Rhizome, is a key dampness-resolving herb in Traditional Chinese Medicine (TCM). For centuries, it has been valued for its ability to dry dampness, strengthen the spleen, and promote the movement of Qi.

In classical Chinese herbal medicine, Cang Zhu is frequently included in formulas designed to transform dampness, support digestion, and improve the body’s ability to process fluids.

Because of its warm, drying nature, Cang Zhu is considered an essential herb for addressing internal dampness and digestive imbalance.

TCM Classification

Category: Aromatic Herbs that Transform Dampness
Flavor: Acrid, Bitter
Temperature: Warm

Channels Entered

Spleen
Stomach

Traditional Actions of Cang Zhu

In Traditional Chinese Medicine, Cang Zhu is traditionally used to:

Dry dampness
Strengthen the spleen
Promote digestion
Expel wind-damp
Support the body’s fluid metabolism

Because of these actions, Cang Zhu is commonly included in formulas addressing dampness, digestive weakness, and heaviness in the body.

Botanical Information

Botanical Name: Atractylodes lancea
Family: Asteraceae (Daisy family)

Cang Zhu is derived from the dried rhizome of a perennial plant native to China and East Asia. The plant grows in mountainous regions and produces aromatic roots.

The rhizome is harvested, dried, and often processed, resulting in its characteristic strong aroma and fibrous texture.

Cang Zhu has been used in Chinese herbal medicine for centuries and remains a foundational herb for resolving dampness.

Historical Use in Chinese Medicine

Cang Zhu has been recorded in Chinese medical texts for over two thousand years and appears in classical formulas such as Ping Wei San, traditionally used to address dampness affecting the spleen and stomach.

Historically, it has been valued for its ability to dry dampness and restore digestive function, making it an essential herb in TCM.

Herbs Often Used With Cang Zhu

Cang Zhu is frequently combined with other herbs to enhance its ability to transform dampness and support digestion.

Common companion herbs include:

Hou Po (Magnolia Bark) – moves Qi, relieves fullness, and helps resolve dampness
Chen Pi (Aged Tangerine Peel) – regulates Qi and supports digestion
Bai Zhu (Atractylodes Rhizome) – strengthens the spleen and dries dampness (more tonifying than Cang Zhu)
Fu Ling (Poria Mushroom) – drains dampness and supports the spleen

These herbs are often combined in classical formulas to transform dampness, improve digestion, and restore balance to the spleen and stomach.

Cang Zhu in Traditional Herbal Formulas

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

It plays an important role in formulas designed to:

Dry dampness and support digestion
Strengthen the spleen
Improve fluid metabolism

This makes Cang Zhu especially valuable for practitioners creating custom herbal formulas.

Where to Buy Cang Zhu

If you are looking for premium Cang Zhu bulk herb, Plum Dragon Herbs offers carefully sourced Atractylodes Rhizome selected for quality, potency, and traditional authenticity.

Our herbs are ideal for: