BAI ZHU 白术

Atractylodis Macrocephalae Rhizoma (白术) is the dried rhizome of Atractylodes macrocephala Koidz, family Asteraceae (Compositae).

Other name   
Baizhu (Chinese name), Largehead Atractylodes Rhizome

Macroscopic character
Irregularly plump mass. External greyish-yellow or greyish-brown, with warty protrudings, interrupted longitudinal wrinkles and grooves, and scars of fibrous rootlets; remains of stems and bud scars attached to the apex. Texture hard, uneasily broken, fracture uneven, yellowish-white to pale brown, scattered with brownish-yellow dotted oil cavities. Odor, aromatic; taste, sweet and slightly pungent, slightly viscous on chewing.



Important cultivation area

Zhejiang , Anhui, Hunan, Hubei provinces

Processing method

1.   Baizhu: Eliminate foreign matters, wash clean, soften thoroughly, cut into thick slices, and dry.

2.   Tuchaobaizhu: Stir-bake Zaoxintu (soil inside ancient stove) on a medium fire until loose, add Baizhu (use 25 kg of Zaoxintu for 100 kg of Baizhu), then continuously stir-bake and sift out Zaoxintu.

3. Fuchaobaizhu: Stir-bake wheat bran already stir-fried with honey on a medium fire until smoke, add the slices of Baizhu (use 10 kg of wheat bran for 100 kg of Baizhu), then stir-bake on a medium fire until the color turns yellowish-brown with burnt aroma, and sift out wheat bran.

Traditional Chinese Medicine action
Bitter and sweet; warm. Enter spleen and stomach channels.

1. Baizhu : Fortify the spleen and replenish qi, dry dampness and induce diuresis, check sweating, prevent miscarriage.

2. Tuchaobaizhu : Enhance tonifying spleen and anti-diarrhea.


3. Fuchaobaizhu : Moderate dryness. Enhance fortifying spleen and anti-flatulence.

Usage and dosage    6-12 g, decoction for oral use.

* Contraindication and precaution *
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