Traditional Chinese Medicine Healing Herbs(TCMHH)

Laxatives

Ya Ma Zi (Semen Lini)

Ya Ma Zi Semen Lini 大胡麻 Da Hu Ma 亞麻子
By the TCMHH editorial team Not medically reviewed How we work Updated 6 Oct 2026
Ya Ma Zi (Semen Lini)
Ya Ma Zi (Semen Lini)
Advertisement

Ya Ma Zi

Name

Ya Ma Zi (Semen Lini)

The Effect of 亚麻子

Property

Sweet, neutral; lung, liver and large intestine meridians entered.

Actions

Moisten dryness and relax the bowels, tonify blood and dispel wind.

Indications

Dry skin, intestinal dryness with constipation, pruritus, alopecia.

Dosage and Administrations

Decoct 9~15 g, or made into pill or powder. Proper dosage is for external application, pounded for applying or decocted for washing.

Cautions

It is contraindicated to pregnant women, dyspepsia and excessive diarrhea.

Advertisement

Sources and further reading

We cite classical materia medica and modern reference works. This article is health education, not medical advice.

  • Shennong Bencao Jing (The Divine Farmer's Materia Medica), Han dynasty.
  • Bencao Gangmu (Compendium of Materia Medica), Li Shizhen, 1578.
  • Chinese Pharmacopoeia, current edition — identity, quality and safety monographs.
  • NCCIH and WHO reference material on traditional medicine safety.

Spotted an error or a better source? Tell us — corrections are logged on our editorial policy page.

Did this article help you?

Your answer shapes what gets rewritten next.

Keep readingRelated entries

Something this article did not cover?

Ask us directly. We reply within two days, and good questions become public articles.

Ask a question →